LEA NUMBERS<sup>®</sup> Single Number Book

LEA NUMBERS® Single Number Book

274000
  • $57.00
    Unit price per 
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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.

Click here for the 274000 Guide.