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About Sloan Letters Folding Eye Chart
Adult distance vision folding eye chart with Sloan Letters optotypes with proportionally spaced (logMAR) lines; line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent. Also has hole at top of chart for easy hanging on wall. 18" x 18" (45.7 cm x 45.7 cm); folds to 18" x 9" (45.7 cm x 22.9 cm). 10 feet, 3 meter testing distance.
