LEA Symbols,® Proportional Distance Charts,800724
LEA Symbols,® pediatric eye chart with proportionally spaced (logMAR) lines; line sizes range from 20/80 to 20/8 (6/24 to 6/2.4). This chart can be used in an illuminated ESV1018 cabinet or hung on the wall. Chart size 10" x 18" (25.4 cm x 45.7 cm)
20 feet, 6 meters testing distance.
Chart Set includes response key, and instructions along with the chart.