Lea Single
Symbol Book
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 from 20/200 to 20/8 (6/60 to 6/2.4) equivalent.
Includes: Isolating mask, response key, flash cards, and instructions.
13 pages, 5" x 5" (12.7 cm x 12.7 cm)
10 feet, 3 meters testing
Symbol Book
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 from 20/200 to 20/8 (6/60 to 6/2.4) equivalent.
Includes: Isolating mask, response key, flash cards, and instructions.
13 pages, 5" x 5" (12.7 cm x 12.7 cm)
10 feet, 3 meters testing
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