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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).
10 feet/3 meters testing distance
Medex SKU: GL-259900