This set of Flash Cards was designed for testing distance visual acuity in children (or adults who have difficulty participating in screening or testing with a visual acuity chart, the Crowded or Single Symbol book tests.) Line sizes from 20/200 to 20/8 (6/60 to 6/2.4) equivalent.

Includes response key, flash cards and instructions. 30 cards per set. 4” x 5” (10 cm x 13 cm). 

252700