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LEA SYMBOLS® Single Symbol Book (10 feet/3 meters)
LEA SYMBOLS® Single Symbol Book (10 feet/3 meters)
Or please call FAISAL: 079 242 2817 or AHMED: 082 414 1472
Description
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The Single Symbol Book is ideal for people who cannot perform when tested with a line
test. This book can help determine the best resolution of the visual pathway in a child/
adult with amblyopia or impaired vision. Single optotype line sizes range from 20/200 to
20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50.
Includes isolating mask, response key and instructions. 13 offset pages for easy flipping.
5" x 5" (12.7 cm x 12.7 cm). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250600
