This test is designed for amblyopia screening and testing children who
have difficulties when tested with the standard near vision card (
#250800).
The background is gray with the exception of a white rectangle spaced
at 100% surrounding each line of symbols.Line sizes from 20/400 to 20/16
(6/120 to 6/4.8) equivalent, 0.05 to 1.25. Printed on two sides.
Response key is printed on the test card. Includes training cards and
instructions. Screener measures 8" x 10" (20.3 cm x 25.4 cm).