Red and green sheets used for anti suppression. Full-sized sheets can be used for reading and other activities in books or on a computer screen.
Measures 8.5 x 11 inches.
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Red and green sheets used for anti suppression. Full-sized sheets can be used for reading and other activities in books or on a computer screen.
Measures 8.5 x 11 inches.
Red and green sheets used for anti suppression. Full-sized sheets can be used for reading and other activities in books or on a computer screen.
Measures 8.5 x 11 inches.
| Brands | Good Lite |
|---|
| Measures | 8.5 x 11 inches |
Standardized adult Sloan Letter near vision card with proportionally spaced (logMAR) lines in ETDRS, format; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent.
16 inch, 40 cm testing distance.
Test for quick measurement of low Contrast visual acuity at 25%, 10%, 5%, 2.5%, and 1.25% Contrast by measuring the distance where the symbols are seen. 10M symbols correspond to visual acuity 0.10 at 1 m, 0.05 at 0.5 m and 0.3 at 3 m. VA values are thus easy to calculate. Test includes a table for conversion to Snellen equivalent VA values, a response keys and instructions. 6 pages, 3.25″ x 9″ (8.25 cm x 22.9 cm).

Stereoacuity depth preception test designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children and adults.
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