LEA NUMBERS^® Book with Crowding Bars

Handheld vision test with LEA NUMBERS^® optotypes feature 50% spaced contour interaction bars to provide single optotype acuity with the proper crowding effect. Optotype line sizes from 20/100 to 20/20 (6/30 to 6/6) equivalent. This book can also be used to test adults or geriatric patients. 17 pages.

Measurements: 4 in x 4 in (10,2 cm x 10,2 cm).

Test distance: 10 feet/3 meters

Click here for the 274400 Answer Key.

LEA NUMBERS^® Near Card Guide

LEA SYMBOLS^®: The Gold Standard