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 |
The Teller Acuity Cards is a test of grating acuity for infants, young children and individuals with disabilities utilizing a preferential looking technique. This test has an extensive evidence base in normative and clinical studies that provide a strong foundation for applications in ophthalmology, optometry, and developmental practice. The test is cited more often than any similar product in the health information compiled by The National Library of Medicine.
A vectographic two-dimensional Fixation Disparity Target for assessing Near Point of Fixation Disparity and Associated Vergence Measures at Near.
Set includes Fixation disparity test and adult Polarized.
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).
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