4 Meter 2000 Series Revised ETDRS Chart "3" from Precision Vision®

  • 4 Meter 2000 Series Revised ETDRS Chart "3"

Description

ETDRS "2000" Series charts utilize a geometric progression from line to line. Each optotype on the chart is proportionally spaced. By using these types of progression and spacing the chart becomes balanced and equal. This give the patient a well calibrated test that can be reused, relied on, and trusted.
  • Product Specs
  • Item4 Meter 2000 Series Revised ETDRS Chart "3"
  • CompanyPrecision Vision®
  • Price Inquire
  • 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
  • Product Number2123
  • Chart Number3
  • Testing Distance4 meters (13 ft.)
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