Sloan Letter Proportionally Spaced Distance Chart800738
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A Sloan Letter translucent eye chart with proportionally spaced (logMAR) lines; line sizes range from 13/104 to 13/6.5 (4/32 to 4/2) equivalent. Also features letter size, 20 foot, 6 meter, decimal, and LogMAR equivalents. This chart can be used in an illuminated ESV1018 cabinet or hung on the wall.
Dimensions: 10" x 18" (25.4 cm x 45.7 cm).
Testing distance: 13 feet/4 meters.