This adult near vision low Contrast test features both ETDRS, Format and Continuous Text in 100%, 25%, 10%, 5%, and 2.5% Contrast level. Continuous text letter sizes range from 20/100 to 20/20 (6/30 to 6/6) equivalent in each Contrast level. ETDRS, format letters 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).

16 inch, 40 cm testing distance.