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 Co LEA NUMBERS® ETDRS Translucent ESV3000™ and ESC2000™ Chart

    271400

    LEA Numbers® ETDRS Chart 3m

    $58.19
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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® ETDRS Chart 4m

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    From $58.19
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