Sloan Letter Linear-spaced Distance Chart

A Sloan Letter distance eye chart with linear-spaced lines; line sizes range from 20/160 to 20/16 (6/48 to 6/4.5) equivalent. This chart can be used in an illuminated ESV1018 Cabinet or hung on the wall.

Features 20 ft and 6 meter notations.

Dimensions: 10" x 18" (25.4 cm x 45.7 cm).

Testing distance: 10 feet/3 meters.