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 511114- Roll-Up ETDRS Original Series Chart 1 Good-Lite 500014-Standard ETDRS Original Series Chart 1

    ETDRS Original Series Chart 1

    $55.95
    $55.95
  • Good-Lite 511113- Roll-Up ETDRS Original Series Chart R Good-Lite 500013-Standard ETDRS Original Series Chart R

    ETDRS Original Series Chart R

    $55.95
    $55.95
  • Good-Lite ETDRS Original Series Chart 2 Good-Lite ETDRS Original Series Chart 2

    ETDRS Original Series Chart 2

    $55.95
    $55.95
  • Good-Lite Tumbling E ETDRS Chart

    Tumbling E ETDRS Chart

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

    ETDRS Low Contrast LEA NUMBERS® Clinical Trial Charts

    $113.95
    $113.95