80 cm Sloan Letter Intermediate Distance Charts

80 cm Sloan Letter Intermediate Distance Charts

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Sloan Letter charts calibrated to test visual acuity at an intermediate distance of 80 cm (31 in.). These standardized Adult Charts are available in 3 different scrambled versions for repetitive testing situations. Sloan Letter optotypes with proportionally spaced lines; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent.

Notations for Letter Size, Decimal, and logMAR are also on the chart. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet. Chart size is 9" x 14" (22.9 cm x 35.6 cm). 80 cm, 31 in., testing distance.

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