Chart(Distance): ESV1018™ - Sloan Letter Proportionally Spaced (10ft/3m)

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A Sloan Letter distance eye chart with proportionally spaced (logMAR) lines; line sizes range from 10/80 to 10/4 (3/24 to 3/1.2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. This chart can be used in an illuminated ESV1018™ or hung on the wall. Dimensions: 10" x 18" (25.4 cm x 45.7 cm). 10 feet/3 meters testing distance. Show more