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Related Experiment Videos

NoIRs and low vision.

J H Maino, T T McMahon

    Journal of the American Optometric Association
    |July 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Low vision patients preferred specific NoIR light filters based on their eye condition. Most chose #101 and #102 filters, avoiding darker options as vision loss worsened.

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    Area of Science:

    • Ophthalmology
    • Low Vision Rehabilitation
    • Optometry

    Background:

    • Light filters are crucial for low vision patients.
    • Patient preference varies based on ocular disease and visual acuity.
    • NoIR filters are commonly prescribed for visual impairment.

    Purpose of the Study:

    • To analyze patient preferences for NoIR light filters.
    • To correlate filter choice with specific ocular diseases.
    • To determine the impact of visual acuity on filter selection.

    Main Methods:

    • Retrospective review of 318 low vision patient records.
    • Data collected from three low vision centers.
    • Analysis of filter preference based on diagnosis and visual acuity.

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    Main Results:

    • 89% of patients preferred NoIR filter shades #101 and #102.
    • Patients with dry macular degeneration, glaucoma, and retinitis pigmentosa favored #101.
    • No patients selected darker filters (#108, #109) when visual acuity was below 20/400.

    Conclusions:

    • NoIR filter preference is linked to specific eye conditions.
    • #101 and #102 are generally preferred by low vision patients.
    • Severe vision loss (below 20/400) precludes the use of darker filters.