{"title":"ETDRS Vision Test Charts","description":"\u003cp\u003eETDRS, stemming from the Early Treatment Diabetic Retinopathy Study, improves visual acuity testing with equal step size between rows and consistent letter spacing on a logarithmic scale, offering advantages over previous tests like Snellen and Sloan; often referred to as a LogMAR test, available in various formats, including back-lit charts for standardized luminance testing.\u003c\/p\u003e","products":[{"product_id":"270200","title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® 15-Line (13ft\/4m)","description":"\u003cp\u003eLEA NUMBERS\u003csup\u003e®\u003c\/sup\u003e ETDRS Distance Charts with proportionally spaced (logMAR) lines; line sizes ranging from 13\/131 to 13\/5.2 (4\/40 to 4\/1.6) equivalent. The other equivalents featured on these charts are letter size, 20 foot, 6 meter, decimal, and LogMAR.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAvailable in three different versions of mixed\/scrambled order when repetitive testing is indicated. These charts fit in the \u003c\/span\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/esv3000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ Standardized ETDRS illuminated cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and the \u003c\/span\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/esc2000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eLEA NUMBERS\u003csup\u003e®\u003c\/sup\u003e Standard Chart is also available in a thinner translucent chart that can be easily rolled up.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/good-lite.com\/pages\/lea-symbols-the-gold-standard\"\u003eLEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e: The Gold Standard\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® 15-Line (13ft\/4m)","offer_id":32568068669545,"sku":"270200","price":59.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® 15-Line - Mixed Order 1 (13ft\/4m)","offer_id":32568068702313,"sku":"270200A","price":88.5,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® 15-Line - Mixed Order 2 (13ft\/4m)","offer_id":32568068735081,"sku":"270200B","price":88.5,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® 15-Line - Roll-up (13ft\/4m)","offer_id":32568068767849,"sku":"270211","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-lea-numbers-15-line-13ft-4m-1200590826.jpg?v=1761851850"},{"product_id":"274200","title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® ETDRS Low Contrast - (13ft\/4m)","description":"\u003cp\u003eETDRS low contrast LEA NUMBERS® vision charts with proportionally spaced (geometric progression) lines. Features translucent low contrast letters with line sizes ranging from 13\/131 to 13\/5.2 (4\/40 to 4\/1.6) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Available in 2 contrast levels: 2.5% and 10%.\u003cspan data-preserver-spaces=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNote: These charts can only be used with our \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/esv3000\"\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/esc2000\"\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e illuminated ETDRS cabinets.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/good-lite.com\/pages\/lea-symbols-the-gold-standard\"\u003eLEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e: The Gold Standard\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® ETDRS Low Contrast - 2.5% Contrast (13ft\/4m)","offer_id":32568069062761,"sku":"274200","price":123.25,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® ETDRS Low Contrast - 10% Contrast (13ft\/4m)","offer_id":32568069095529,"sku":"274300","price":123.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-lea-numbers-etdrs-low-contrast-13ft-4m-1210255339.jpg?v=1765086216"},{"product_id":"500013","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Chart R (13ft\/4m)","description":"\u003cp\u003eAn original series ETDRS eye chart with proportionally spaced (geometric progression) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Features the standardized format used in National Eye Institute clinical studies and in low vision evaluations that require accurate and repeatable visual acuity measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAvailable in 2 different versions: The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStandard ETDRS\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e style chart is printed on .01 thick styrene plastic making the chart more rigid. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eRoll-Up ETDRS\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e style chart is printed on .015 thick styrene plastic allowing the chart to be rolled up for easy transporting or storage. Both are UV coated for long-lasting durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e\u003cmeta charset=\"UTF-8\"\u003eThe Standard version is \u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/a\u003e and \u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/a\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter - Chart R (13ft\/4m)","offer_id":32665252855913,"sku":"500013","price":59.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Roll-Up - Chart R (13ft\/4m)","offer_id":32665252888681,"sku":"511113","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-original-series-sloan-letter-chart-r-13ft-4m-chart-distance-esv3000-and-esc2000-etdrs-original-series-chart-r-13ft-4m-500013-1234931557.jpg?v=1777548490"},{"product_id":"500014","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Chart 1 (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAn Original series ETDRS vision chart that can be displayed in the \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000\u003c\/span\u003e™\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e light boxes. This chart features proportionally spaced (geometric progression) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Features the standardized format used in National Eye Institute clinical studies and in low vision evaluations that require accurate and repeatable visual acuity measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAvailable in 2 different versions: The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStandard ETDRS\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e style chart is printed on .01 thick styrene plastic making the chart more rigid. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eRoll-Up ETDRS\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e style chart is printed on .015 thick styrene plastic allowing the chart to be rolled up for easy transporting or storage. Both are UV coated for long-lasting durability.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter  - Chart 1 (13ft\/4m)","offer_id":32665251184745,"sku":"500014","price":59.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Roll-Up - Chart 1 (13ft\/4m)","offer_id":32665251217513,"sku":"511114","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-original-series-sloan-letter-chart-1-13ft-4m-chart-distance-esv3000-and-esc2000-etdrs-original-series-chart-1-13ft-4m-500014-1234931555.jpg?v=1777548313"},{"product_id":"500022","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast","description":"\u003cp\u003eETDRS low contrast Sloan Letter vision charts with proportionally spaced (geometric progression) lines. Features translucent low contrast letters with line sizes ranging from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent.The other equivalents featured on these charts are letter size, 20 foot, 6 meter, decimal, and LogMAR. Available in 5 contrast levels: 1.25%, 2.5%, 5%, 10% and 25%.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNote: These charts can only be used with our \u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\"\u003eESV3000™\u003c\/a\u003e or \u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\"\u003eESC2000™\u003c\/a\u003e illuminated ETDRS cabinets.\u003c\/b\u003e\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/500020AnswerKey.pdf\" target=\"_blank\"\u003eClick here for the 500020 Answer Key.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/500021AnswerKey.pdf\" target=\"_blank\"\u003eClick here for the 500021 Answer Key.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/500022AnswerKey.pdf\" target=\"_blank\"\u003eClick here for the 500022 Answer Key.\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 1.25% Contrast (13ft\/4m)","offer_id":32568070963305,"sku":"500022","price":88.5,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 2.5% Contrast (13ft\/4m)","offer_id":32568070897769,"sku":"500021","price":88.5,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 2.5% Contrast - Mixed Order (13ft\/4m)","offer_id":42814679253097,"sku":"500021A","price":78.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 5% Contrast (13ft\/4m)","offer_id":32568070865001,"sku":"500020","price":88.5,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 10% Contrast (13ft\/4m)","offer_id":32568070832233,"sku":"500019","price":88.5,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 25% Contrast (13ft\/4m)","offer_id":32568070996073,"sku":"500023","price":88.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-sloan-letter-low-contrast-1216581431.jpg?v=1768418229"},{"product_id":"500025","title":"Chart(Distance): ESV3000™ and ESC2000™ - HOTV ETDRS","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003eHOTV ETDRS charts with proportionally spaced (logMAR) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent, 0.10 to 2.00. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. These charts are available in 2 different versions when repetitive testing is involved.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - HOTV ETDRS (13ft\/4m)","offer_id":32568071028841,"sku":"500025","price":59.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - HOTV ETDRS  - Mixed Order (13ft\/4m)","offer_id":32568071061609,"sku":"500034","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-hotv-etdrs-1210255336.jpg?v=1765086093"},{"product_id":"500038","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series -  Sloan Letter","description":"\u003cp\u003eOriginal Series ETDRS Distance Charts made for 6.5ft\/2m testing distance. Features optotypes with proportionally spaced (logMAR) lines; line sizes range from 6.5\/65 to 6.5\/3.2 (2\/20 to 2\/1) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. These are part of the revised versions of the original ETDRS series based on more recent research.\u003c\/p\u003e\n\u003cp\u003eAvailable variants are Chart R (500038), Chart 1 (500039), and Chart 2 (500040). All charts are screen printed on styrene plastic and clear coated for long-lasting durability.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter - Chart R (6.5ft\/2m)","offer_id":32568071094377,"sku":"500038","price":59.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter - Chart 1 (6.5ft\/2m)","offer_id":32568071127145,"sku":"500039","price":59.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series -  Sloan Letter - Chart 2 (6.5ft\/2m)","offer_id":32568071159913,"sku":"500040","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-original-series-esv3000-and-esc2000-sloan-letter-2m-1171897246.jpg?v=1749260026"},{"product_id":"500041","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter","description":"\u003cp\u003e2000 Series ETDRS Distance Charts made for 6.5ft \/ 2m testing distance. Optotypes are in proportionally spaced (logMAR) lines; line sizes range from 6.5\/65 to 6.5\/3.2 (2\/20 to 2\/1) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. These charts are part of the revised original ETDRS series based on more recent research. On the revised versions of the original ETDRS series charts, each line is equally difficult.\u003c\/p\u003e\n\u003cp\u003eCharts available are ETDRS Chart 1, Chart 2, and Chart 3. All charts are screen printed on styrene plastic and clear coated for long-lasting durability.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/store.good-lite.com\/pages\/what-is-etdrs\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWhat is ETDRS?\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 1 (6.5ft\/2m)","offer_id":32568071192681,"sku":"500041","price":59.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 2 (6.5ft\/2m)","offer_id":32568071225449,"sku":"500042","price":59.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 3 (6.5ft\/2m)","offer_id":32568071258217,"sku":"500043","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-2000-series-esv3000-and-esc2000-2m-1171897230.jpg?v=1749259790"},{"product_id":"500070","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - 8 Position Landolt \"C\"","description":"\u003cp\u003e8 Position Landolt C clinical trial charts with openings at the up, down, left, and right angles. Each angle is 45º. Features proportionally spaced (geometric progression) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Available in 2 scrambled versions for those that are performing repetitive vision testing.\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - 8 Position Landolt \"C\" (13ft\/4m)","offer_id":32568071290985,"sku":"500070","price":59.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - 8 Position Landolt \"C\" - Mixed Order (13ft\/4m)","offer_id":32568071323753,"sku":"500071","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-clinical-trial-esv3000-and-esc2000-8-position-landolt-c-charts-4m-1171897191.jpg?v=1749259315"},{"product_id":"500072","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - 8 Position Landolt \"C\"","description":"\u003cp\u003eAn 8 Position Landolt C clinical trial chart with openings at the up, down, left, and right angles. Each angle is 45º. Features proportionally spaced (geometric progression) lines; line sizes range from 10\/100 to 10\/5 (3\/30 to 3\/1.5) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Available in 2 scrambled versions for those that are performing repetitive vision testing.\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch3\u003eAddtional Resources\u003c\/h3\u003e\n\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/500072AnswerKey.pdf\" target=\"_blank\"\u003eClick here for the 500073-01-3 (previously 500072) Answer Key.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.good-lite.com\/pages\/what-is-etdrs\" target=\"_blank\"\u003eWhat is ETDRS?\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Clinical Trial - 8 Position Landolt \"C\" - Mixed Order - Chart 1 (13ft\/4m)","offer_id":32568071389289,"sku":"500072","price":59.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Clinical Trial - 8 Position Landolt \"C\" - Mixed Order (13ft\/4m)","offer_id":32568071422057,"sku":"500073","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-clinical-trial-esv3000-and-esc2000-landolt-c-charts-3m-1171897193.jpg?v=1749259420"},{"product_id":"271400","title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAn adult LEA NUMBERS® ETDRS chart for the ETDRS Illuminated light boxes. Fits all existing ETDRS cabinets, including both the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. This chart features optotypes in proportionally spaced (logMAR) lines; lines range from 10\/100 to 10\/4 (3\/30 to 3\/1.2) equivalent. The other equivalents included are letter size, 20 foot, 6 meter, decimal, and LogMAR.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTest distance: 10 feet\/3 meters.\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/www.good-lite.com\/pages\/lea-symbols-the-gold-standard\" data-mce-href=\"https:\/\/www.good-lite.com\/pages\/lea-symbols-the-gold-standard\"\u003eLEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e: The Gold Standard\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568094163049,"sku":"271400","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-lea-numbers-etdrs-translucent-esv3000-and-esc2000-chart-271400-32461357482089.jpg?v=1732278050"},{"product_id":"500003","title":"Chart(Distance): CSV-1000® - ETDRS Original Series - Sloan Letter (8ft\/2.4m)","description":"\u003cdiv\u003eThe CSV-1000ETDRS allows standardized testing of ETDRS and is the US standard for evaluating LogMAR acuity. \u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe CSV-1000ETDRS is smaller than other backlit systems for ETDRS testing and allows testing 20\/10 to 20\/200 at a distance of 8 feet or 20\/5 to 20\/100 at a distance of 4 meters. It is perfect for examination room use, where a 4 meter test distance is not available, or for clinical trials where testing beyond 20\/100 is not needed, such as refractive surgery or IOL trials. Reversed ETDRS tests are also available for testing at a distance of 4 meters with a mirror.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eThis product is available in 3 variants:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eChart(Distance): CSV-1000® - ETDRS Original Series - Sloan Letter - Chart 1 (8ft\/2.4m)\u003c\/li\u003e\n\u003cli\u003eChart(Distance): CSV-1000® - ETDRS Original Series - Sloan Letter - Chart 2 (8ft\/2.4m)\u003c\/li\u003e\n\u003cli\u003eChart(Distance): CSV-1000® - ETDRS Original Series - Sloan Letter - Chart R (8ft\/2.4m)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis chart can \u003cspan style=\"text-decoration: underline;\"\u003eonly\u003c\/span\u003e be used in the \u003cspan\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/csv1000-test-instrument-viewer\"\u003e\u003cspan\u003eCSV-1000®\u003c\/span\u003e Test Instrument Viewer\u003c\/a\u003e and the \u003cmeta charset=\"UTF-8\"\u003e \u003ca href=\"https:\/\/good-lite.com\/products\/csv1000-hg-test-instrument-viewer-with-glare-lights\"\u003e\u003cspan\u003eCSV-1000®\u003c\/span\u003eHGT Test Instrument Viewer\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\n\u003cp\u003e\u003ca href=\"https:\/\/www.good-lite-online.com\/pages\/what-is-etdrs\"\u003eWhat is ETDRS?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch6\u003eCSV-1000® is a registered trademark of Vector Vision Ocular Health Inc.\u003c\/h6\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): CSV-1000® - ETDRS Original Series - Sloan Letter - Chart 1 (8ft\/2.4m)","offer_id":42797109805161,"sku":"500003-01","price":176.25,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): CSV-1000® - ETDRS Original Series - Sloan Letter - Chart 2 (8ft\/2.4m)","offer_id":42797109837929,"sku":"500003-02","price":176.25,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): CSV-1000® - ETDRS Original Series - Sloan Letter - Chart R (8ft\/2.4m)","offer_id":42797109870697,"sku":"500003","price":176.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-csv-1000-etdrs-original-series-sloan-letter-8ft-2-4m-1216413957.jpg?v=1768310351"},{"product_id":"500010","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 1 (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe 2000 Series ETDRS Sloan Letter vision chart 1 features proportionally spaced (geometric progression) lines; line sizes range from 10\/100 to 10\/5 (3\/30 to 3\/1.5) equivalent. Other equivalents on this chart are letter size, 20 foot, 6 meter, deimal, and LogMAR. This chart is part of the revised versions of the original ETDRS series with each line being equally difficult. You can use this chart with the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568099995753,"sku":"500010","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-2000-series-sloan-letter-chart-1-10ft-3m-500010-1234931563.jpg?v=1777548131"},{"product_id":"500011","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 2 (10ft\/3m)","description":"\u003cp\u003eThe 2000 Series Sloan Letter ETDRS vision chart 2 features proportionally spaced (geometric progression) lines; line sizes range from 10\/100 to 10\/5 (3\/30 to 3\/1.5) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMar. Part of the revised ETDRS series with each line being equally difficult.\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100028521,"sku":"500011","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-2000-series-sloan-letter-chart-2-10ft-3m-500011-1234931561.jpg?v=1777548010"},{"product_id":"500012","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 3 (10ft\/3m)","description":"\u003cp\u003eThe 2000 Series Sloan Letter ETDRS vision chart 3 features proportionally spaced (geometric progression) lines; line sizes range from 10\/100 to 10\/5 (3\/30 to 3\/1.5) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMar. Part of the revised ETDRS series with each line being equally difficult.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100061289,"sku":"500012","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-2000-series-sloan-letter-chart-3-10ft-3m-500012-1234931559.jpg?v=1777547891"},{"product_id":"500015","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter - Chart 2 (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe Adult Original Series ETDRS Sloan Letter vision chart 2 can be displayed in the \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e illuminated cabinet. This chart features proportionally spaced (geometric progression) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent. The other equivalents include letter size, 20 foot, 6 meter, decimal, and LogMAR. Features a standardized format used in National Eye Institute clinical studies and in low vision evaluations that require accurate and repeatable visual acuity measurements.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis chart can also be used in an \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100225129,"sku":"500015","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-original-series-sloan-letter-chart-2-13ft-4m-500015-1234931553.jpg?v=1777547772"},{"product_id":"500016","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 1 (13ft\/4m)","description":"\u003cp\u003eThe 2000 Series Sloan Letter ETDRS vision chart 1 eye chart with proportionally spaced (geometric progression) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMar. Part of the revised ETDRS series with each line being equally difficult.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100257897,"sku":"500016","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-2000-series-sloan-letter-chart-1-13ft-4m-500016-1234931551.jpg?v=1777547654"},{"product_id":"500017","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 2 (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe 2000 Series ETDRS Sloan Letter vision chart 2 features proportionally spaced (geometric progression) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent. Also features 20 foot, 6 meter, decimal, and LogMAR equivalents. This chart will fit into the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e Part of the revised ETDRS series with each line being equally difficult.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100290665,"sku":"500017","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-2000-series-sloan-letter-chart-2-13ft-4m-500017-1234931549.jpg?v=1777547531"},{"product_id":"500018","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 3 (13ft\/4m)","description":"\u003cp\u003eThe 2000 Series ETDRS Sloan Letter vision chart 3 features proportionally spaced (geometric progression) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMar. Part of the Revised ETDRS series with each line being equally difficult.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100323433,"sku":"500018","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-2000-series-sloan-letter-chart-3-13ft-4m-500018-1234931547.jpg?v=1777547411"},{"product_id":"500035","title":"Chart(Distance): ESV3000™ and ESC2000™ - HOTV ETDRS with 50% Crowding Bars (13ft\/4m)","description":"\u003cp\u003eThis chart features HOTV optotypes with 50% spaced contour interaction bars to provide single optotype acuity with the proper crowding effect. Optotype line sizes range from 13\/66 to 3\/6.5 (4\/20 to 4\/2) equivalent. The other equivalents on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDimensions: Height 24.5\" x Width 25.5\" (62 cm x 65 cm).\u003c\/p\u003e\n\u003cp\u003eTesting distance: 13 feet\/4 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100356201,"sku":"500035","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-hotv-etdrs-esv3000-and-esc2000-chart-with-50-crowding-bars-500035-32461364985961.jpg?v=1732278944"},{"product_id":"500036","title":"Chart(Distance): ESV3000™ and ESC2000™ - HOTV ETDRS with 50% Crowding Bars (Mixed Order) (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis chart features HOTV optotypes with 50% spaced contour interaction bars to provide single optotype acuity with the proper crowding effect. Optotype line sizes range from 13\/66 to 13\/6.5 (4\/20 to 4\/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Similar to the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/500035\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003e500035\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e HOTV ETDRS Crowded Bar Chart, but with optotypes in scrambled order for repetitive testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDimensions: Height 24.5\" x Width 25.5\" (62 cm x 65 cm).\u003c\/p\u003e\n\u003cp\u003eTesting distance: 13 feet\/4 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100388969,"sku":"500036","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-hotv-etdrs-esv3000-and-esc2000-chart-with-50-crowding-bars-scrambled-500036-32461365051497.jpg?v=1732269399"},{"product_id":"500037","title":"Chart(Distance): ESV3000™ and ESC2000™ - Landolt \"C\" ETDRS (4m\/13ft)","description":"\u003cp\u003eA Landolt C ETDRS Chart for the ESV3000. This vision chart features proportionally spaced (logMAR) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Features optotypes opening at the up, down, left, \u0026amp; right positions only.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDimensions: Height 24.5\" x Width 25.5\" (62 cm x 65 cm).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTesting distance: 13 feet\/4 meters.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.good-lite.com\/pages\/what-is-etdrs\"\u003eWhat is ETDRS?\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100421737,"sku":"500037","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-landolt-c-etdrs-translucent-distance-esv3000-and-esc2000-chart-500037-32461365215337.jpg?v=1732276966"},{"product_id":"500044","title":"Chart(Distance): ESV3000™ and ESC2000™ - Tumbling E ETDRS (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAn illiterate ETDRS chart with Tumbling E and proportionally spaced (logMAR) line size range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent, 0.10 to 2.00. Fits all standardized ETDRS viewers. These charts fit in the \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/ESC2000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDimensions: Height 24.5\" x Width 25.5\" (62 cm x 65 cm).\u003c\/p\u003e\n\u003cp\u003eTesting distance: 13 feet\/4 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100454505,"sku":"500044","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-tumbling-e-etdrs-esv3000-and-esc2000-chart-500044-32461365248105.jpg?v=1732273551"},{"product_id":"500046","title":"Chart(Distance): ESV3000™ and ESC2000™  - ETDRS Original Series - Sloan Letter - Chart R (10ft\/3m)","description":"\u003cp\u003eAn ETDRS eye chart. Part of the Chart R Original series for 10 feet\/3 meters with proportionally spaced (geometric progression) lines; line sizes range from 10\/100 to 10\/5 (3\/30 to 3\/1.5) equivalent. The other equivalents on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100487273,"sku":"500046","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-original-series-esv3000-and-esc2000-chart-r-3m-previously-500046-500010-09-3-1171897236.jpg?v=1749259908"},{"product_id":"500048","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter - Chart 2 (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAn Original Series ETDRS eye chart for 10 feet\/3 meters testing with proportionally spaced (geometric progression) lines; line sizes range from 10\/100 to 10\/5 (3\/30 to 3\/1.5) equivalent. Also features 20 foot, 6 meter, decimal, and LogMAR equivalents. This chart will fit into the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100552809,"sku":"500048","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-original-series-esv3000-and-esc2000-chart-2-3m-previously-500048-500010-02-3-1171897238.jpg?v=1749259914"},{"product_id":"500060","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Landolt \"C\" (13ft\/4m)","description":"\u003cp\u003eA Landolt C clinical trial ETDRS vision chart with proportionally spaced (geometric progression) lines; line sizes range from 10\/100 to 10\/5 (3\/30 to 3\/1.5) equivalent. The other equivalents on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Features optotypes opening at the up, down, left, \u0026amp; right positions only.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDimensions: Height 24.5\" x Width 25.5\" (62 cm x 65 cm).\u003c\/p\u003e\n\u003cp\u003eTesting distance: 10 feet\/3 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100716649,"sku":"500060","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-landolt-c-etdrs-clinical-trial-chart-for-esv3000-and-esc2000-500060-32461365837929.jpg?v=1732277687"},{"product_id":"500061","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Tumbling E (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eAn Illiterate E ETDRS chart vision chart with proportionally spaced (geometric progression) lines; line sizes range from 10\/100 to 10\/5 (3\/30 to 3\/1.5) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Fits into the \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" data-mce-fragment=\"1\" target=\"_blank\" data-mce-href=\"https:\/\/www.good-lite.com\/products\/esc2000\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" data-mce-fragment=\"1\" target=\"_blank\" data-mce-href=\"https:\/\/www.good-lite.com\/products\/esv3000\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDimensions: 24.5\" x 25.5\" (62 cm x 65 cm).\u003c\/p\u003e\n\u003cp\u003eTesting distance: 10 feet\/3 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100749417,"sku":"500061","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-tumbling-e-etdrs-esv3000-and-esc2000-chart-500061-32461366132841.jpg?v=1732276423"},{"product_id":"500600","title":"Clinical Trial Kit: ESV3000™ - ETDRS - Original Series Distance Charts and Floor Stand (13ft\/4m)","description":"\u003cp\u003eThe ESV3000™ ETDRS Illuminated Cabinet for clinical trials contains patented internal calibration technology that automatically controls the standardized LEDs (light-emitting diodes) output. This device is specifically designed for the rigorous lighting standards needed for clinical trials and vision research. When this lighting technology is combined with a universal standard power supply, the result is consistent standardized lighting that makes the ESV3000™ the most accurate, easy-to-use tester evaluating ETDRS, and LogMAR acuity during research. Simply turn on the device and with a push of a button, the ESV3000™ automatically calibrates to a photopic light level of 85 cd\/m2, or a mesopic level of 3 cd\/m2.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThese light levels are recommended by the Committee from the National Academy of Sciences for Vision Testing Standards and are required by the FDA for ETDRS, evaluation in clinical trials. Unlike previous illuminator cabinets which use “out-of-date” fluorescent bulbs, there is no warm-up period and no requirement to replace the light source. The old fluorescent light bulbs have to be replaced every 2,000 hours, or once a year, and new bulbs have to be “burned in” before use. For the ESV3000™, the LEDs last up to 20+ years of normal use, never need replacement, and require no burn-in period. Just plug in the ESV and it is ready to test.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFor use outside the US, the ESV3000™ has a universal power supply that is easily adapted to 100V to 240V, unlike cabinets that use fluorescent bulbs, which require the use of 110V input voltage. The ESV has a convenient storage cabinet for the safekeeping of additional charts when not in use.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe ESV3000™ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStandardized ETDRS, testing with 3 preset luminance levels at 3, 85, and 160 cd\/m\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eSelf-calibrating technology\u003c\/li\u003e\n\u003cli\u003eUniversal power supply*\u003c\/li\u003e\n\u003cli\u003eOptional adjustable glare lights available\u003c\/li\u003e\n\u003cli\u003eControlled by infrared wireless remote. Chart storage in the back. Compatible with all existing high Contrast (black) ETDRS charts\u003c\/li\u003e\n\u003cli\u003eChart storage in the back. Compatible with all existing high Contrast (black) ETDRS charts\u003c\/li\u003e\n\u003cli\u003eNEI and FDA Approved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis kit includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eESV3000™ ETDRS Viewer\u003c\/li\u003e\n\u003cli\u003e3 Original Series Charts: Chart R, Chart 1 \u0026amp; Chart 2 for 13 feet\/4 meters testing distance\u003c\/li\u003e\n\u003cli\u003eFloor Stand with casters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e* Power plug adaptor may be needed for outlets outside the United States.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100847721,"sku":"500600","price":3099.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-clinical-trial-kit-clinical-trial-kit-esv3000-etdrs-original-series-distance-charts-and-floor-stand-13ft-4m-500600-1234937530.jpg?v=1777555031"},{"product_id":"500601","title":"Clinical Trial Kit: ESV3000™ - ETDRS - 2000 Series Distance Charts and Floor Stand (13ft\/4m)","description":"\u003cp\u003eThe ESV3000™ ETDRS Illuminated Cabinet contains patented internal calibration technology that automatically controls the standardized LEDs (light-emitting diodes) output. This device is specifically designed for the rigorous lighting standards needed for clinical trials and vision research. When this lighting technology is combined with a universal standard power supply, the result is consistent standardized lighting that makes the ESV3000™ the most accurate, easy-to-use tester evaluating ETDRS, and LogMAR acuity during research. Simply turn on the device and with a push of a button, the ESV3000™ automatically calibrates to a photopic light level of 85 cd\/m2 or a mesopic level of 3 cd\/m2.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThese light levels are recommended by the Committee from the National Academy of Sciences for Vision Testing Standards and are required by the FDA for ETDRS, evaluation in clinical trials. Unlike previous illuminator cabinets which use “out-of-date” fluorescent bulbs, there is no warm-up period and no requirement to replace the light source. The old fluorescent light bulbs have to be replaced every 2,000 hours, or once a year, and new bulbs have to be “burned in” before use. For the ESV3000,™ the LEDs last up to 20+ years of normal use, never need replacement, and require no burn-in period. Just plug in the ESV and it is ready to test.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFor use outside the US, the ESV3000™ has a universal power supply that is easily adapted to 100V to 240V, unlike cabinets that use fluorescent bulbs, which require the use of 110V input voltage. The ESV has a convenient storage cabinet for the safekeeping of additional charts when not in use.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe ESV3000™ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStandardized ETDRS, testing with 3 preset luminance levels at 3, 85, and 160 cd\/m\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eSelf calibrating technology\u003c\/li\u003e\n\u003cli\u003eUniversal power supply*\u003c\/li\u003e\n\u003cli\u003eOptional adjustable glare lights available\u003c\/li\u003e\n\u003cli\u003eControlled by infrared wireless remote. Chart storage in the back. Compatible with all existing high Contrast (black) ETDRS, charts\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eChart storage in the back. Compatible with all existing high Contrast (black) ETDRS, charts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eNEI and FDA Approved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis kit includes\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eESV3000™ ETDRS Viewer\u003c\/li\u003e\n\u003cli\u003e3x 2000 Series ESV3000™ and ESC2000™ Charts: Chart 1, Chart 2 \u0026amp; Chart 3 for 13 feet\/4 meters testing distance\u003c\/li\u003e\n\u003cli\u003eFloor Stand with casters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e* Power plug adaptor may be needed for outlets outside the United States.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100880489,"sku":"500601","price":3099.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-clinical-trial-kit-clinical-trial-kit-esv3000-etdrs-2000-series-distance-charts-and-floor-stand-13ft-4m-500601-1234937525.jpg?v=1777554850"},{"product_id":"500602","title":"Clinical Trial Kit: ESV3000™ - ETDRS - Original Series Distance Charts and Floor Stand (10ft\/3m)","description":"\u003cp\u003eThe ESV3000™ ETDRS Illuminated Cabinet for Clinical Trials contains patented internal calibration technology that automatically controls the standardized LEDs (light-emitting diodes) output. This device is specifically designed for the rigorous lighting standards needed for clinical trials and vision research. When this lighting technology is combined with a universal standard power supply, the result is consistent standardized lighting that makes the ESV3000™ the most accurate, easy-to-use tester evaluating ETDRS, and LogMAR acuity during research. Simply turn on the device and with a push of a button, the ESV3000™ automatically calibrates to a photopic light level of 85 cd\/m2, or a mesopic level of 3 cd\/m2.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThese light levels are recommended by the National Academy of Sciences' Committee for Vision Testing Standards and are required by the FDA for ETDRS, evaluation in clinical trials. Unlike previous illuminator cabinets which use “out-of-date” fluorescent bulbs, there is no warm-up period and no requirement to replace the light source. The old fluorescent light bulbs have to be replaced every 2,000 hours, or once a year, and new bulbs have to be “burned in” before use. For the ESV3000™, the LEDs last up to 20+ years of normal use, never need replacement, and require no burn-in period. Just plug in the ESV and it is ready to test.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFor use outside the US, the ESV3000™ has a universal power supply that is easily adapted to 100V to 240V, unlike cabinets that use fluorescent bulbs, which require the use of 110V input voltage. The ESV has a convenient storage cabinet for the safekeeping of additional charts when not in use.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe ESV3000™ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStandardized ETDRS, testing with 3 preset luminance levels at 3, 85, and 160 cd\/m\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eSelf calibrating technology\u003c\/li\u003e\n\u003cli\u003eUniversal power supply*\u003c\/li\u003e\n\u003cli\u003eOptional adjustable glare lights available\u003c\/li\u003e\n\u003cli\u003eControlled by infrared wireless remote. Chart storage in the back. Compatible with all existing high Contrast (black) ETDRS charts\u003c\/li\u003e\n\u003cli\u003eChart storage in the back. Compatible with all existing high Contrast (black) ETDRS charts\u003c\/li\u003e\n\u003cli\u003eNEI and FDA Approved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis kit includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eESV3000™ ETDRS Viewer 3\u003c\/li\u003e\n\u003cli\u003eOriginal Series Charts (Chart R, Chart 1 \u0026amp; Chart 2) for 10 feet\/3 meters testing distance\u003c\/li\u003e\n\u003cli\u003eFloor Stand with casters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e* Power plug adaptor may be needed for outlets outside the United States.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100946025,"sku":"500602","price":3099.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-clinical-trial-kit-clinical-trial-kit-esv3000-etdrs-original-series-distance-charts-and-floor-stand-10ft-3m-500602-1234937529.jpg?v=1777554674"},{"product_id":"500700","title":"Clinical Trial Kit: ESC2000™ - Illuminated Cabinet, ETDRS Original Series Distance Charts (13ft\/4m) and Floor Stand","description":"\u003ch3\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eIntroducing the ESC2000™ Illuminator Cabinet\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe ESC2000™ Illuminator Cabinet is a cutting-edge vision testing solution designed to provide consistent, retro-illuminated lighting for high and low contrast LogMAR tests, including ETDRS, LEA SYMBOLS®, LEA NUMBERS®, E and C Charts, and more.\u003cspan data-olk-copy-source=\"MessageBody\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"x_MsoNormal\"\u003e\n\u003cspan data-olk-copy-source=\"MessageBody\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3 class=\"x_MsoNormal\"\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eAdvanced LED Technology\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"x_MsoNormal\"\u003eUtilizing energy-efficient LED technology, the ESC2000™ is built for long-lasting performance, eliminating the need for frequent bulb replacements. With a sleek 3.0-inch depth, it is significantly more compact than traditional 8-inch-deep fluorescent cabinets, making it an efficient, space-saving solution for clinical environments.\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003ePowered by an LED system with a 50,000-hour lifespan (over 20 years of typical use), the ESC2000™ requires minimal maintenance while delivering consistent luminance levels essential for accurate vision testing and screening.\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cstrong\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"x_MsoNormal\"\u003eRemote-Controlled Operation\u003c\/li\u003e\n\u003cli class=\"x_MsoNormal\"\u003eLow Maintenance LED System – No need for bulb warm-up, burn-in, or replacements.\u003c\/li\u003e\n\u003cli class=\"x_MsoNormal\"\u003eGlobal Compatibility – Includes a universal power supply (100V - 240V) for international use.\u003c\/li\u003e\n\u003cli class=\"x_MsoNormal\"\u003eIntegrated Storage – Built-in chart storage for easy access to ETDRS and high-contrast charts.\u003c\/li\u003e\n\u003cli class=\"x_MsoNormal\"\u003eNEI \u0026amp; FDA Compliant – Meets strict clinical testing standards.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"x_MsoNormal\"\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eDesigned for Versatile Clinical Use\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"x_MsoNormal\"\u003eThe ESC2000™ ensures uniform illumination, providing an optimal testing environment for vision screenings, eye exams, and research applications. Its reliable luminance control and space-saving design make it an excellent choice for hospitals, optometry clinics, and research facilities.\u003c\/p\u003e\n\u003ch3 class=\"x_MsoNormal\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis kit includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eESC2000™ Illuminator Cabinet -(Model:ESC2000-ADJ-BB (SKU: \u003ca href=\"https:\/\/store.good-lite.com\/products\/esc2000?_pos=1\u0026amp;_sid=ab458d905\u0026amp;_ss=r\u0026amp;variant=42612606795881\" rel=\"noopener\" target=\"_blank\"\u003eESC2000-02\u003c\/a\u003e)). This model has Three Pre-Set Luminance Levels – Adjustable to 3, 85, and 160 cd\/m²\u003c\/li\u003e\n\u003cli\u003e3 ETDRS 2000 Series Charts:\n\u003cul\u003e\n\u003cli\u003eChart R - Sloan Letter (13ft\/4m) (SKU: \u003ca rel=\"noopener\" href=\"https:\/\/store.good-lite.com\/products\/500013?_pos=1\u0026amp;_sid=a4f4603d0\u0026amp;_ss=r\u0026amp;variant=32665252855913\" target=\"_blank\"\u003e500013\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/store.good-lite.com\/products\/500010?_pos=1\u0026amp;_sid=fdeeab010\u0026amp;_ss=r\" target=\"_blank\"\u003e)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eChart 1 - Sloan Letter (13ft\/4m) (SKU: \u003ca rel=\"noopener\" href=\"https:\/\/store.good-lite.com\/products\/500014?_pos=1\u0026amp;_sid=de9e7e085\u0026amp;_ss=r\u0026amp;variant=32665251184745\" target=\"_blank\"\u003e500014\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eChart 2 - Sloan Letter (13ft\/4m) (SKU: \u003ca rel=\"noopener\" href=\"https:\/\/store.good-lite.com\/products\/500015?_pos=1\u0026amp;_sid=b7975daab\u0026amp;_ss=r\" target=\"_blank\"\u003e500015\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/store.good-lite.com\/products\/500012?_pos=1\u0026amp;_sid=3b2ea3135\u0026amp;_ss=r\" target=\"_blank\"\u003e)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eFloor Stand with casters (SKU: \u003ca href=\"https:\/\/store.good-lite.com\/products\/500004?_pos=1\u0026amp;_sid=64d0f1ca9\u0026amp;_ss=r\" rel=\"noopener\" target=\"_blank\"\u003e500004-01\u003c\/a\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe ESC2000™ is a sister product to the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. The ESV3000™ is designed for clinical trials and research. The ESV3000 provides an auto-calibrated light source for two luminance levels, photopic and mesopic, can be upgraded with a glare source, and is operated by wireless remote control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e* Power plug adaptor may be needed for outlets outside the United States.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568100978793,"sku":"500700","price":2221.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-clinical-trial-kit-clinical-trial-kit-esv3000-etdrs-original-series-distance-charts-and-floor-stand-13ft-4m-500600-1234937530.jpg?v=1777555031"},{"product_id":"500702","title":"Clinical Trial Kit: ESC2000™ - Illuminated Cabinet, ETDRS 2000 Series Distance Charts (10ft\/3m) and Floor Stand","description":"\u003ch3\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eIntroducing the ESC2000™ Illuminator Cabinet\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe ESC2000™ Illuminator Cabinet is a cutting-edge vision testing solution designed to provide consistent, retro-illuminated lighting for high and low contrast LogMAR tests, including ETDRS, LEA SYMBOLS®, LEA NUMBERS®, E and C Charts, and more.\u003cspan data-olk-copy-source=\"MessageBody\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"x_MsoNormal\"\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 class=\"x_MsoNormal\"\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eAdvanced LED Technology\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"x_MsoNormal\"\u003eUtilizing energy-efficient LED technology, the ESC2000™ is built for long-lasting performance, eliminating the need for frequent bulb replacements. With a sleek 3.0-inch depth, it is significantly more compact than traditional 8-inch-deep fluorescent cabinets, making it an efficient, space-saving solution for clinical environments.\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003ePowered by an LED system with a 50,000-hour lifespan (over 20 years of typical use), the ESC2000™ requires minimal maintenance while delivering consistent luminance levels essential for accurate vision testing and screening.\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cstrong\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"x_MsoNormal\"\u003eRemote-Controlled Operation\u003c\/li\u003e\n\u003cli class=\"x_MsoNormal\"\u003eLow Maintenance LED System – No need for bulb warm-up, burn-in, or replacements.\u003c\/li\u003e\n\u003cli class=\"x_MsoNormal\"\u003eGlobal Compatibility – Includes a universal power supply (100V - 240V) for international use.\u003c\/li\u003e\n\u003cli class=\"x_MsoNormal\"\u003eIntegrated Storage – Built-in chart storage for easy access to ETDRS and high-contrast charts.\u003c\/li\u003e\n\u003cli class=\"x_MsoNormal\"\u003eNEI \u0026amp; FDA Compliant – Meets strict clinical testing standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"x_MsoNormal\"\u003e\n\u003cspan data-olk-copy-source=\"MessageBody\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3 class=\"x_MsoNormal\"\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eDesigned for Versatile Clinical Use\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"x_MsoNormal\"\u003eThe ESC2000™ ensures uniform illumination, providing an optimal testing environment for vision screenings, eye exams, and research applications. Its reliable luminance control and space-saving design make it an excellent choice for hospitals, optometry clinics, and research facilities.\u003c\/p\u003e\n\u003ch3 class=\"x_MsoNormal\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis kit includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eESC2000™ Illuminator Cabinet -(Model:ESC2000-ADJ-BB (SKU: \u003ca rel=\"noopener\" href=\"https:\/\/store.good-lite.com\/products\/esc2000?_pos=1\u0026amp;_sid=ab458d905\u0026amp;_ss=r\u0026amp;variant=42612606795881\" target=\"_blank\"\u003eESC2000-02\u003c\/a\u003e)). This model has Three Pre-Set Luminance Levels – Adjustable to 3, 85, and 160 cd\/m²\u003c\/li\u003e\n\u003cli\u003e3 ETDRS 2000 Series Charts:\n\u003cul\u003e\n\u003cli\u003eChart 1 - Sloan Letter (10ft\/3m) (SKU: \u003ca href=\"https:\/\/store.good-lite.com\/products\/500010?_pos=1\u0026amp;_sid=fdeeab010\u0026amp;_ss=r\" rel=\"noopener\" target=\"_blank\"\u003e500010\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003eChart 2 - Sloan Letter (10ft\/3m) (SKU: \u003ca href=\"https:\/\/store.good-lite.com\/products\/500011?_pos=1\u0026amp;_sid=012214db9\u0026amp;_ss=r\" rel=\"noopener\" target=\"_blank\"\u003e500011\u003c\/a\u003e\u003ca href=\"https:\/\/store.good-lite.com\/products\/500010?_pos=1\u0026amp;_sid=fdeeab010\u0026amp;_ss=r\" rel=\"noopener\" target=\"_blank\"\u003e)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eChart 3 - Sloan Letter (10ft\/3m) (SKU: \u003ca href=\"https:\/\/store.good-lite.com\/products\/500012?_pos=1\u0026amp;_sid=3b2ea3135\u0026amp;_ss=r\" rel=\"noopener\" target=\"_blank\"\u003e500012)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eFloor Stand with casters (SKU: \u003ca rel=\"noopener\" href=\"https:\/\/store.good-lite.com\/products\/500004?_pos=1\u0026amp;_sid=64d0f1ca9\u0026amp;_ss=r\" target=\"_blank\"\u003e500004-01\u003c\/a\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe ESC2000™ is a sister product to the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. The ESV3000™ is designed for clinical trials and research. The ESV3000 provides an auto-calibrated light source for two luminance levels, photopic and mesopic, can be upgraded with a glare source, and is operated by wireless remote control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e* Power plug adaptor may be needed for outlets outside the United States.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568101044329,"sku":"500702","price":2221.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-clinical-trial-kit-clinical-trial-kit-esv3000-etdrs-original-series-distance-charts-and-floor-stand-10ft-3m-500602-1234937529.jpg?v=1777554674"},{"product_id":"esv3000","title":"Illuminated Cabinet: ESV3000™ - ETDRS Clinical Trial Standardized Viewer","description":"\u003ch3\u003eIntroducing the ESV3000™ ETDRS Illuminated Cabinet for Clinical Trials\u003c\/h3\u003e\n\u003cdiv\u003eThe ESV3000™ is equipped with patented internal calibration technology that automatically adjusts its standardized LED output, ensuring precise lighting conditions for clinical trials and vision research. This advanced cabinet is specifically engineered to meet the stringent lighting standards required for ETDRS and LogMAR acuity testing during research.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003eAdvanced Lighting Performance\u003c\/h4\u003e\n\u003cdiv\u003eUnlike outdated fluorescent light cabinets that require frequent maintenance and a warm-up period, the ESV3000™ offers instant calibration with a simple button press. It delivers photopic light levels of 85 cd\/m² and mesopic levels of 3 cd\/m², as recommended by the Committee for Vision Testing Standards from the National Academy of Sciences and mandated by the FDA for clinical trials. While fluorescent bulbs need to be replaced every 2,000 hours (about once a year), the ESV3000™ features long-lasting LEDs with a lifespan of 20+ years, eliminating the need for replacements and burn-in periods. Simply plug in and start testing immediately.\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003eDesigned with a universal power supply, the ESV3000™ can be easily adapted for 100V to 240V, making it ideal for use outside the U.S. without the limitations of traditional fluorescent cabinets that only support 110V input.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch3\u003eKey Features of the ESV3000™:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003ePreset Luminance Levels:\u003c\/strong\u003e Choose from 3, 85, and 160 cd\/m² for standardized ETDRS testing.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSelf-Calibrating Technology: \u003c\/strong\u003eAutomatically adjusts lighting levels for accuracy.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eUniversal Power Supply:\u003c\/strong\u003e Adaptable for global use (may require a plug adaptor outside the U.S.).\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eOptional Adjustable Glare Lights:\u003c\/strong\u003e Available for enhanced testing conditions. \u003cspan style=\"color: rgb(53, 88, 145);\"\u003e\u003cem\u003eSold Separately.\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eWireless Remote Control:\u003c\/strong\u003e Effortless control via infrared remote.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBuilt-in Chart Storage: \u003c\/strong\u003eSecurely store additional high-contrast ETDRS charts in the back compartment.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eNEI and FDA Approved: \u003c\/strong\u003eComplies with the highest standards for clinical testing.\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e* Power plug adaptor may be needed for outlets outside the United States.\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003eCE and CSA listed.\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32665182863465,"sku":"ESV3000","price":2550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-cabinets-esv3000-etdrs-clinical-trial-standardized-viewer-esv3000-1171897338.jpg?v=1749261456"},{"product_id":"5-etdrs-sloan-letter-contrast-chart-for-10-feet-3-meters","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 5% Contrast (10ft\/3m)","description":"\u003cp\u003eExperience precise visual assessment with our 5% Contrast Sloan Letter vision chart. Featuring proportionally spaced lines ranging from 10\/100 to 10\/5 (3\/30 to 3\/1.5) equivalent, it includes letter size, 20 foot, 6 meter, decimal, and LogMAR equivalents. As part of the revised ETDRS series.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":39453128163433,"sku":"500028","price":88.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-sloan-letter-low-contrast-5-contrast-10ft-3m-500028-1207821572.jpg?v=1765470502"},{"product_id":"2-5-etdrs-contrast-chart-for-13-feet-4-meters","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 2.5% Contrast - Mixed Order (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eA Sloan Letter ETDRS contrast chart with 2.5% contrast and proportionally spaced (logMAR) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2 equivalent) with letter size, 20 foot, 6 meter, LogMar, and decimal notations. These charts fit in the \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/ESC2000\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/500120AnswerKey.pdf\" target=\"_blank\"\u003eClick here for the 500120 Answer Key.\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":39639495802985,"sku":"500120","price":88.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-sloan-letter-low-contrast-2-5-contrast-mixed-order-13ft-4m-500120-1207821574.jpg?v=1765470386"},{"product_id":"landolt-c-etdrs-chart-for-13-feet-4-meters-scrambled","title":"Chart(Distance): ESV3000™ and ESC2000™ - Landolt \"C\" ETDRS - Mixed Order (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA Landolt \"C\" ETDRS chart with proportionally spaced (logMAR) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2 equivalent) with letter size, 20 foot, 6 meter, LogMar, and decimal notations. These charts fit in the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/ESC2000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDimensions: Height 24.5\" x Width 25.5\" (62 cm x 65 cm).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTesting distance: 13 feet\/4 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":39639496163433,"sku":"500137","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-landolt-c-etdrs-esv3000-and-esc2000-chart-for-13-feet-4-meters-scrambled-500137-32461391626345.jpg?v=1732278396"},{"product_id":"landolt-c-etdrs-chart-for-13-feet-4-meters-scrambled-1","title":"Chart(Distance): ESV3000™ and ESC2000™ - Landolt \"C\" ETDRS - Mixed Order (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA Landolt \"C\" Scrambled ETDRS chart with proportionally spaced (logMAR) lines; line sizes range from 13\/131 to 13\/6.5 (40\/40 to 4\/2 equivalent) with Letter size, 4 meter, 6 meter, LogMar, 20 feet, and decimal notations. These charts fit in the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/ESC2000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDimensions: Height 24.5\" x Width 25.5\" (62 cm x 65 cm).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTesting distance: 13 feet\/4 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":39639496884329,"sku":"500237","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-landolt-c-etdrs-esv3000-and-esc2000-chart-for-13-feet-4-meters-scrambled-500237-32461391888489.jpg?v=1732277683"},{"product_id":"2-5-landolt-c-chart-for-13-feet-4-meters","title":"Chart(Distance): ESV3000™ and ESC2000™ - Landolt \"C\" Low Contrast -  2.5% Contrast (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA Landolt \"C\" ETDRS chart with 2.5% contrast and proportionally spaced (logMAR) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2 equivalent) with letter size, 20 foot, 6 meter, LogMar, and decimal notations. These charts fit in the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/ESC2000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDimensions: Height 24.5\" x Width 25.5\" (62 cm x 65 cm).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTesting distance: 13 feet\/4 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":39639504224361,"sku":"500337","price":89.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-2-5-landolt-c-chart-for-13-feet-4-meters-500337-31307003691113.jpg?v=1712562715"},{"product_id":"2-5-landolt-c-chart-for-13-feet-4-meters-scrambled","title":"Chart(Distance): ESV3000™ and ESC2000™ - Landolt \"C\" Low Contrast -  2.5% Contrast - Mixed Order (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA Landolt \"C\" scrambled ETDRS chart with 2.5% contrast and proportionally spaced (logMAR) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. These charts fit in the \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/ESC2000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTesting distance: 13 feet\/4 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":39639507009641,"sku":"500437","price":89.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-2-5-landolt-c-chart-for-13-feet-4-meters-scrambled-500437-31307003986025.jpg?v=1712562721"},{"product_id":"etdrs-original-series-esv3000-and-esc2000-10-contrast-chart-1-4m","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series -  Sloan Letter Low Contrast - 10% Contrast - Chart 1 (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eCustom item for Dave. Not for sale in channels.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42150663618665,"sku":"500011-01-4","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-original-series-sloan-letter-low-contrast-10-contrast-chart-1-13ft-4m-500011-01-4-1190690134.jpg?v=1756819542"},{"product_id":"etdrs-original-series-esv3000-and-esc2000-10-contrast-chart-1-4m-copy","title":"Chart(Intermediate): ESV1200™ and ESV1500™ - ETDRS Original Series -  Sloan Letter Low Contrast - 10% Contrast - Chart R (26\"\/66cm)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eCustom item for Dave. Not for sale in channels.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42150678364265,"sku":"500040-09-6","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-intermediate-esv1200-and-esv1500-etdrs-original-series-sloan-letter-low-contrast-10-contrast-chart-r-26-66cm-500040-09-6-1190690124.jpg?v=1756819430"},{"product_id":"etdrs-2000-series-esv3000-and-esc2000-10-contrast-chart-1-2m","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series -  Sloan Letter Low Contrast - 10% Contrast - Chart 1 (6.5ft\/2m)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eCustom item for Dave. Not for sale in channels.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42150713884777,"sku":"500019-02","price":88.5,"currency_code":"USD","in_stock":true}]},{"product_id":"etdrs-2000-series-esv3000-and-esc2000-10-contrast-chart-1-4m","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series -  Sloan Letter Low Contrast  - 10% Contrast - Chart 1 (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eCustom item for Dave. Not for sale in channels.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42150714572905,"sku":"500019-01","price":88.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-2000-series-sloan-letter-low-contrast-10-contrast-chart-1-13ft-4m-500019-01-1193337552.jpg?v=1758137148"},{"product_id":"etdrs-2000-series-esv3000-and-esc2000-10-contrast-chart-1-66cm","title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Low Contrast - 10% Contrast - Chart 1 (26\"\/66cm)","description":"","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42150715326569,"sku":"600764-01","price":86.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-2000-series-esv1200-and-esv1500-10-contrast-chart-1-66cm-500045-01-6-1190690123.jpg?v=1756819427"},{"product_id":"etdrs-2000-series-esv3000-and-esc2000-10-contrast-chart-2-66cm","title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Low Contrast - 10% Contrast - Chart 2 (26\"\/66cm)","description":"","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42150716113001,"sku":"600764-02","price":86.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-2000-series-esv1200-and-esv1500-10-contrast-chart-2-66cm-500045-02-6-1190690118.jpg?v=1756819412"},{"product_id":"etdrs-2000-series-esv3000-and-esc2000-10-contrast-chart-3-4m","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series -  Sloan Letter Low Contrast - 10% Contrast - Chart 3 (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eCustom item for Dave. Not for sale in channels.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42150716702825,"sku":"500019-03-4","price":88.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-2000-series-sloan-letter-low-contrast-10-contrast-chart-3-13ft-4m-500019-03-4-1190690130.jpg?v=1756819535"},{"product_id":"etdrs-2000-series-esv3000-and-esc2000-10-contrast-chart-3-66cm","title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Low Contrast - 10% Contrast - Chart 3 (26\"\/66cm)","description":"","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42150720569449,"sku":"600764-03","price":86.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-2000-series-esv1200-and-esv1500-10-contrast-chart-3-66cm-500045-03-6-1190690122.jpg?v=1756819424"},{"product_id":"etdrs-2000-series-esv3000-and-esc2000-chart-1-3m-500010-copy","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 1 (5ft\/1.5m)","description":"\u003cp\u003e2000 Series ETDRS Distance Charts made for 5ft\/1.5m intermediate testing distance. Optotypes are in proportionally spaced (logMAR) lines. Line sizes range from 6.5\/65 to 6.5\/32 (20\/200 to 20\/10). The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. These charts are part of the revised original ETDRS series based on more recent research. On the revised versions of the original ETDRS series charts, each line is equally difficult.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Answer key\" href=\"https:\/\/files.good-lite.com\/VVMzEiV2hYA\" target=\"_blank\"\u003eClick here for the Answer Key.\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42152961343593,"sku":"500016-01","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-2000-series-sloan-letter-chart-1-5ft-1-5m-500016-01-1209849516.jpg?v=1764796786"},{"product_id":"etdrs-clinical-trial-esv3000-and-esc2000-chart-1-4m","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter - Chart 1 (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eCustom item for Dave. Not for sale in channels.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42153421406313,"sku":"500074-01-4","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-sloan-letter-chart-1-13ft-4m-500074-01-4-1190690121.jpg?v=1756819421"},{"product_id":"etdrs-clinical-trial-esv3000-and-esc2000-chart-2-4m","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter - Chart 2 (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eCustom item for Dave. Not for sale in channels.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":42153421930601,"sku":"500074-02-4","price":59.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-sloan-letter-chart-2-13ft-4m-500074-02-4-1190690120.jpg?v=1756819419"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/collections\/ETDRS-kit-Shared-image.jpg?v=1636044995","url":"https:\/\/store.good-lite.com\/en-canada\/collections\/etdrs\/distance-charts.oembed?page=2","provider":"Good-Lite Co","version":"1.0","type":"link"}