Lea Symbols and Numbers Pocket Near Card

Lea Symbols and Numbers Pocket Near Card Description:

This handy card is ideal for vision screening of children. Use this small pocket card to quickly find out whether a child's visual acuity is within the normal range.

Features:
Proportional spaced lines on one side and more tightly spaced symbols on the other. Line sizes from 20/400 to 20/10 (6/120 to 6/3) equivalent.

Specifications:
Measures 3.75" x 6.25".