Collection: Color Vision Tests

Human vision perceives white light spanning spectral frequencies from about 380nm to 740nm, with cones in the retina responsible for color vision; deficiencies in cone function can lead to color blindness, commonly affecting red-green perception, with tests available to screen for these deficits.

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  • HRR Standard Pseudoisochromatic Test, 4th Edition

    HRR Standard Pseudoisochromatic Test, 4th Edition

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    $249.95
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    $249.95
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  • Laminated HRR Pseudoisochromatic Test, 4th Edition

    Laminated HRR Pseudoisochromatic Test, 4th Edition

    Regular price
    $318.95
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    $318.95
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    $302.95
  • HRR/Amsler Combination Color Book

    HRR/Amsler Combination Color Book

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    $363.95
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    $363.95
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