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This adult near vision low contrast test features both ETDRS format and Continuous Text in 100%, 25%, 10%, 5%, and 2.5% contrast levels. Continuous text letter sizes range from 20/100 to 20/20 (6/30 to 6/6) equivalent in each contrast level. ETDRS format letter sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent in 17 increments for each contrast level. Each contrast level page is tabbed for easy access with included instructions. Printed on durable long-lasting styrene plastic and clear coated for added protection. The near vision contrast booklet contains 7 pages measuring 6.25″ x 6.25″ (15.8 cm x 15.8 cm).
Testing distance is 16″ (40 cm).
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