Sloan Letters Proportionally Spaced 9" x 14" 10 Ft. Distance Chart

Sloan Letters translucent distance eye chart with proportionally spaced lines; line sizes range from 20/160 to 20/10 equivalent. This chart can either be held in hands, mounted on a wall, or used in an ESV1200 or Model A+ illuminated cabinet. 10-foot testing distance with 20-foot Snellen equivalent numbers for recording visual acuity results.