Sloan Letters 10 Feet-Proportionally Spaced Amsler Chart gives you total control of

gives you total control of your light levels

compact diagnostic instrument that delivers high performance in a slightly smaller package

for replacement

defining optimal light intensity

Immediate use right out of the box when outside temperatures are cold may cause the vinyl material to crack

Sloan Letters 10 Feet-Proportionally Spaced Amsler Chart gives you total control ofManufacturer Part Number: 600705 Sloan Letter translucent distance eye chart with proportionally spaced lines; line sizes range from 20 160 to 20 10 (6 48 to 6 3) equivalent. This chart can either be wall mounted or used in an ESV1200 or Model A+ illuminated cabinet. 10 feet, 3 meters testing distance.