Sloan Letter Reversed Distance Chart

A Reversed Sloan Letter optotypes chart with proportionally spaced (logMAR) lines; line sizes range from 20/100 to 20/16 (6/30 to 6/4.8). 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: 20 feet/6 meters.