Sloan Letter Near Cards
725000Sloan Letter near vision card with Linear-spaced lines; line sizes range from 20/400 to 20/16 (6/120 to 6/4.8) equivalent. 5.5 in x 8 in (14 cm x 20.3 cm).
16 inch, 40 cm testing distance.
Sloan Letter near vision card with Linear-spaced lines; line sizes range from 20/400 to 20/16 (6/120 to 6/4.8) equivalent. 5.5 in x 8 in (14 cm x 20.3 cm).
16 inch, 40 cm testing distance.
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