Proportionally spaced (logMAR); line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent, 0.16 to 2.50. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A illuminated cabinet.
Test distance: 10 feet/3 meters
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Test distance: 10 feet/3 meters
Proportionally spaced (logMAR); line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent, 0.16 to 2.50. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A illuminated cabinet.
Test distance: 10 feet/3 meters
| Brands | Good Lite |
|---|
| Test distance | 10 feet/3 meters |
| used in | ESV1200, ESV1500, or a Model A illuminated cabinet |
This standardized vision test is designed for amblyopia screening and testing children who have difficulties when tested with the standard near vision card.
16 inches/40 centimeters 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).
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