Hello! Do you need help? Click on the operator and write to us.
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 the LED illuminated cabinet 50.028.00 - 4 meters testing distance - chart size 9"x14" (23x 36 cm)