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Compact Letter Acuity Chart 20 Foot Viewing Distance

Compact Letter Acuity Chart
Compact Letter Acuity Chart
Item# OS-1937
$12.99

This Compact Letter Visual Acuity Chart measures 11" x 18" and is designed to be read at a distance of 20 feet. The Snellen Letters have a rating of direct: 20/200 to 20/10 (also noted in meters) based on visual angle of one minute. This Compact letter eye chart is made of extra strong, non-reflecting, matte finish cardboard, with a brass eyelet for wall mounting.