ETDRS Vision Test Charts

ETDRS, stemming from the Early Treatment Diabetic Retinopathy Study, improves visual acuity testing with equal step size between rows and consistent letter spacing on a logarithmic scale, offering advantages over previous tests like Snellen and Sloan; often referred to as a LogMAR test, available in various formats, including back-lit charts for standardized luminance testing.

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  • Good-Lite 270211-Roll-up LEA NUMBERS<sup>®</sup> 15-Line Translucent ETDRS-Style Distance Charts for ESV3000 Cabinet

    270200

    LEA NUMBERS® 15-Line Translucent ETDRS-Style Distance ESV3000™ and ESC2000™ Chart

    From $55.95
    From $55.95
    $55.95
  • Good-Lite 274300- 10% Contrast ETDRS Low Contrast LEA NUMBERS<sup>®</sup> Clinical Trial Charts

    274200

    ETDRS Low Contrast LEA NUMBERS® Clinical Trial ESV3000™ and ESC2000™ Charts

    $113.95
    $113.95
    $113.95