LogMAR Sloan Letters Chart

This is a adult and children distance chart that has proportionally-spaced lines; line sizes range from 20/160 to 20/10 (6/48 to 6/3) equivalent, the lines are labeled with only 10'' and 20'' notations. Chart size is 9"x14" (22.9 cm x 35.6 cm), 10'', 3 meters testing distance. Good-Lite, No Substitute. This chart can be used in Good-Lite''s illuminated ESV1200 (KCDA No. 50921), ESV1500, Model A+, Model A cabinet or hung on the wall.