Sloan Letter Proportionally Spaced Distance Chart
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 either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet. Chart size is 9" x 14" (22.9 cm x 35.6 cm)
The Sloan Letters distance chart is available in 2 different "scrambled" version when repetitive testing is involved.
- 600739 20/125 line is H N R
- 600762 20/125 line is C N R
13 feet, 4 meters testing distance.