About
A handheld vision test with LEA SYMBOLS®. This test features 50% spaced contour interaction bars at 2.5% contrast to provide single optotype acuity with the proper crowding effect. Optotype line sizes range from 20/100 to 20/20 (6/30 to 6/6) equivalent. This book can also be used for vision testing of illiterate adults or geriatric patients. Includes a response key, a guide, and 17 pages.
Dimensions: 4" x 4" (10.2 cm x 10.2 cm).
Testing distance: 10 feet/3 meters.
A handheld vision test with LEA SYMBOLS®. This test features 50% spaced contour interaction bars at 2.5% contrast to provide single optotype acuity with the proper crowding effect. Optotype line sizes range from 20/100 to 20/20 (6/30 to 6/6) equivalent. This book can also be used for vision testing of illiterate adults or geriatric patients. Includes a response key, a guide, and 17 pages.
Dimensions: 4" x 4" (10.2 cm x 10.2 cm).
Testing distance: 10 feet/3 meters.
Chart(Distance): LEA SYMBOLS® Low Contrast - 50% Crowding Bars - 2.5% Contrast - Set (10ft/3m)
- Regular price
- $126.50
- Sale price
- $126.50
- Regular price
-
$126.50
SKU: 259225
CE Approved
About
A handheld vision test with LEA SYMBOLS®. This test features 50% spaced contour interaction bars at 2.5% contrast to provide single optotype acuity with the proper crowding effect. Optotype line sizes range from 20/100 to 20/20 (6/30 to 6/6) equivalent. This book can also be used for vision testing of illiterate adults or geriatric patients. Includes a response key, a guide, and 17 pages.
Dimensions: 4" x 4" (10.2 cm x 10.2 cm).
Testing distance: 10 feet/3 meters.
A handheld vision test with LEA SYMBOLS®. This test features 50% spaced contour interaction bars at 2.5% contrast to provide single optotype acuity with the proper crowding effect. Optotype line sizes range from 20/100 to 20/20 (6/30 to 6/6) equivalent. This book can also be used for vision testing of illiterate adults or geriatric patients. Includes a response key, a guide, and 17 pages.
Dimensions: 4" x 4" (10.2 cm x 10.2 cm).
Testing distance: 10 feet/3 meters.
