Sloan Letter Linear-spaced Distance Charts600723
Linear-spaced line sizes; line sizes range from 20/100 to 20/16 equivalent. Lines are labeled with 10 ft and 20 ft foot notations only. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet. Chart size is 9 in x 14 in (22.9 cm x 35.6 cm)
This chart is recommended by the Texas Department of Public Health for vision testing and screening.
10 feet, 3 meters testing distance.