Notations for testing at 3 meters (10 ft.)
Acuity range 15M to 3M (20/100, 6/30 to 20/20, 6/6 equiv.)
17 page spiral bound book
Single optotype with contour interaction bars at 50%
Measures 10 X 10 cm (4 X 4 in.) Includes response key
Acuity range 15M to 3M (20/100, 6/30 to 20/20, 6/6 equiv.)
17 page spiral bound book
Single optotype with contour interaction bars at 50%
Measures 10 X 10 cm (4 X 4 in.) Includes response key