LEA NUMBERS^® Near Vision Card

This chart featuring LEA NUMBERS^® 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.

Dimensions: 8" x 10" (20.3 cm x 25.4 cm).

Testing distance: 16"/40cm.

Click here for the 270900 & 271000 Guide.

Click here for the 270900 Answer Key.