ETDRS Original Series Chart 1

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An Original series ETDRS vision chart that can be displayed in the ESV3000 or ESC2000 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.

Available in 2 different versions: The Standard ETDRS style chart is printed on .01 thick styrene plastic making the chart more rigid. The Roll-Up ETDRS 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.

Dimensions: 24.5" x 25.5" (62 cm x 65 cm).

Testing distance: 13 feet/4 meters.

Click here for the 500014 Answer Key.

Click here for the ETDRS Guide.

Click here for the Low Vision Tutorial.

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