Sloan Letter Proportionally Spaced Distance Chart HNR – 4 meter
Sloan Letter translucent distance vision chart with proportionally spaced (logMAR) lines; line sizes range from 20/125 to 20/10 (6/38 to 6/3) equivalent. This chart can be used in Good-Lite’s illuminated ESV1200, ESV1500, Model A+, Model A cabinet or hung on the wall. Chart size is 9″ x 14″ (22.9 cm x 35.6 cm). 13 feet, 4 meters testing distance.