LEA SYMBOLS® 15-Line Distance Chart250150
This test is designed for vision screening at schools and assessing vision in children with special needs beginning at age 3.
Features proportionally spaced (logMAR); line sizes range from 10/100 to 10/4 (3/30 to 3/1.2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. The reverse side is black and can be used as the test surface for a color vision test (#260260). Has a hole for hanging the chart on the wall. Includes a response key and instructions.
Dimensions: 17" x 21" (43 cm x 53.4 cm). Folds to 17" x 10.5" (43 cm x 26.7 cm).
Testing distance: 10 feet/3 meters.Click here for the 250250 & 250150 Guide.