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5% ETDRS SLOAN LETTER CONTRAST CHART FOR 10 FEET (3 METERS)
A Sloan Letter vision chart with proportionally spaced (geometric progression) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent. This chart is part of the revised versions of the original ETDRS series with each line being equally difficult.
Dimensions: 24.5" x 25.5" (62 cm x 65 cm).
Testing distance: 10 feet/3 meters.
500028
GOOD-LITE
chart
17 In Stock
A Sloan Letter vision chart with proportionally spaced (geometric progression) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent. This chart is part of the revised versions of the original ETDRS series with each line being equally difficult.
Dimensions: 24.5" x 25.5" (62 cm x 65 cm).
Testing distance: 10 feet/3 meters.