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This standardized adult vision assessment is designed to measure visual acuity with a standard line test and with three tighter spaced tests; 50%, 25% and 12.5% which often reveal difficulties in seeing tightly crowded details. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00. Card measures 8" x 10" (20.3 cm x 25.4 cm).
24 inches/60 centimeters testing distance
Medex SKU: GL-274100