LEA Symbols,^® Proportional Distance Charts,

LEA Symbols,^® pediatric Distance Charts, with proportionally spaced lines; line sizes range from 20/80 to 20/8 (6/24 to 6/2.4) equivalent. This chart can be used in the illuminated ESV1018 cabinet or hung on the wall. Chart size 10" x 18" (25.4 cm x 45.7 cm)

10 feet, 3 meters testing distance.

Chart Set includes response key and instructions along with the chart.