ETDRS Visual Acuity Charts

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4 Meter 2000 Series Revised ETDRS Chart "1"
  • Features:
    • For testing at 4 meters (13 ft.)
    • Acuity range 40M to 2M (20/200, 6/60 to 20/10, 63 equiv.)
    • Measures 62 X 65 cm (24.5 X 25.5 in.)
    • Fits ETDRS Illuminator Cabinet CAT. NO. 2425
    • Can also be wall-mounted
    • Printed on high-impact polystyrene
  • Chart Number: 1
  • Testing Distance: 4 meters (13 ft.)
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4 Meter 2000 Series Revised ETDRS Chart "2"
  • Features:
    • This "revised" chart incorporates a slight change in the difficulty score for each of the ten SLOAN letters derived from the best corrected visual acuity examinations of 7,420 eyes during the ETDRS study.
    • The three ETDRS "2000" Series charts (Chart 1, 2, and 3) are balanced so that in each chart the ten SLOAN letters are represented at least once in every position.
    • For testing at 4 meters (13 ft.)
    • Acuity range 40M to 2M (20/200, 6/60 to 20/10, 63 equiv.)
    • Measures 62 X 65 cm (24.5 X 25.5 in.)
    • Fits ETDRS Illuminator Cabinet CAT. NO. 2425
    • Can also be wall-mounted
  • Chart Number: 2
  • Testing Distance: 4 meters (13 ft.)
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4 Meter 2000 Series Revised ETDRS Chart "3"
  • Features:
    • This "revised" chart incorporates a slight change in the difficulty score for each of the ten SLOAN letters derived from the best corrected visual acuity examinations of 7,420 eyes during the ETDRS study.
    • For testing at 4 meters (13 ft.)
    • Acuity range 40M to 2M (20/200, 6/60 to 20/10, 63 equiv.)
    • Measures 62 X 65 cm (24.5 X 25.5 in.)
    • Fits ETDRS Illuminator Cabinet CAT. NO. 2425
    • Can also be wall-mounted
  • Chart Number: 3
  • Testing Distance: 4 meters (13 ft.)
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4 Meter Original Series ETDRS Chart "1"
  • Features:
    • For testing at 4 meters (13 ft.)
    • Acuity range 40M to 2M (20/200, 6/60 to 20/10, 6/3 equiv.)
    • Only standardized format accepted in studies sponsored by the National Eye Institute
    • Designed for use in clinical studies and low vision evaluations where accurate, repeatable visual acuity measurements are required
    • Lines are of equal difficulty
    • Geometric progression in letter size from line to line
    • Letter size is only variable
    • Measures 62 X 65 cm (24.5 X 25.5 in.)
    • Chart fits the ETDRS Illuminator Cabinet CAT. NO. 2425
    • Can be wall-mounted
  • Chart Number: 1
  • Testing Distance: 4 meters (13 ft.)
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4 Meter Original Series ETDRS Chart "2"
  • Features:
    • For testing at 4 meters (13 ft.)
    • Acuity range 40M to 2M (20/200, 6/60 to 20/10, 6/3 equiv.)
    • Only standardized format accepted in studies sponsored by the National Eye Institute
    • Designed for use in clinical studies and low vision evaluations where accurate, repeatable visual acuity measurements are required
    • Lines are of equal difficulty
    • Geometric progression in letter size from line to line
    • Letter size is only variable
    • Measures 62 X 65 cm (24.5 X 25.5 in.)
    • Chart fits the ETDRS Illuminator Cabinet CAT. NO. 2425
    • Can be wall-mounted
  • Chart Number: 2
  • Testing Distance: 4 meters (13 ft.)
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4 Meter Original Series ETDRS Chart "R"
  • Features:
    • For testing at 4 meters (13 ft.)
    • Acuity range 40M to 2M (20/200, 6/60 to 20/10, 6/3 equiv.)
    • Only standardized vision test accepted in studies sponsored by the National Eye Institute
    • Designed for use in clinical studies and low vision evaluations where accurate, repeatable visual acuity measurements are required
    • Lines are of equal difficulty
    • Geometric progression in letter size from line to line
    • Letter size is only variable
    • Measures 62 X 65 cm (24.5 X 25.5 in.)
    • Chart fits the ETDRS Illuminator Cabinet CAT. NO. 2425
    • Can be wall-mounted
  • Chart Number: Chart "R"
  • Testing Distance: 4 meters (13 ft.)
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Precision Vision Family of Products
  • Features: Inquire
  • Chart Number: Inquire
  • Testing Distance: Inquire
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