5% ETDRS Sloan Letter Contrast Chart for 10 feet (3 meters)

5% ETDRS Sloan Letter Contrast Chart for 10 feet (3 meters)

500028
  • $74.95
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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. Revised version of the original ETDRS, series with each line being equally difficult. Chart measures 24.5" x 25.5" (62 cm x 65 cm).

10 feet, 3 meter testing distance.

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