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2000 Series ETDRS Sloan Letter vision chart 3 with proportionally spaced (geometric progres-sion) 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
Medex SKU: GL-500012