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888.433.2300
Also Available In
- MFR:
- 274000
- Medex SKU:
- GL-274000
- Packing Info:
- 1/Each
- Usually Ships:
- 5 - 7 Business Days
- Freight Quote Button:
- False
Description
The Single Number Book is ideal for situations in which the child/adult 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 and instructions.
13 offset pages for easy flipping. 5" x 5" (12.7 cm x 12.7 cm).
10 feet/3 meters testing distance