This test is designed for amblyopia screening and testing children who
have difficulties when tested with the standard distance charts (
#250250 or
#250150).
The background is gray with the exception of a white rectangle spaced
at 50% surrounding each line of symbols. Line sizes from 20/80 to 20/16
(6/24 to 6/4.8) equivalent, 0.25 to 1.25. Includes response key and
training cards. Pages are offset for easy flipping. Instructions are
printed on the inside cover. 10 pages, 3.25" x 9" (8.25 cm x 22.9 cm).