Sloan Letters Linear-spaced Distance Chart (LD10)

Linear-spaced line sizes; line sizes range from 20/100 to 20/16 equivalent. Lines are labeled with 10' and 20' foot notations only. This chart can be used in Good-Lite's illuminated ESV1200, ESV1500, Model A+, Model A cabinet or hung on the wall. Chart size is 9" x 14" (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.