LEA NUMBERS<sup>®</sup> Book with Crowding Bars

LEA NUMBERS® Book with Crowding Bars

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

Dimensions: 4" x 4" (10.2 cm x 10.2 cm).

Testing distance: 10 feet/3 meters.

Click here for the 274400 Answer Key.

LEA NUMBERS® Near Card Guide

LEA SYMBOLS®: The Gold Standard

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