LEA SYMBOLS® Proportional Spaced Chart
LEA SYMBOLS® pediatric vision chart with 10ft and 20ft foot notations only. Proportionally spaced (logMAR) lines; line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent. Set includes response key and instructions. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet.
10 feet, 3 meters testing distance.