Tumbling E Linear-spaced Distance Chart
Tumbling E distance vision chart with linear-spaced lines; line sizes range from 20/100 to 20/20 (6/30 to 6/6). This chart can be used in Good-Lite's illuminated ESV1018 or hung on the wall. Chart size is 10" x 18" (25.4 cm x 45.7 cm).
20 feet, 6 meters testing distance.