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Related Experiment Videos

Tangent screen perimetry using twin test objects

J T Coyle, D F Milam

    American Journal of Ophthalmology
    |June 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a cost-effective T-shaped visual field screening device. It efficiently detects various visual field defects, aiding in early diagnosis and management.

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    Area of Science:

    • Ophthalmology
    • Optometry
    • Medical Devices

    Background:

    • Visual field testing is crucial for diagnosing neurological and ophthalmological conditions.
    • Traditional visual field screening methods can be expensive and time-consuming.
    • A need exists for accessible and efficient visual field screening tools.

    Purpose of the Study:

    • To evaluate the efficacy of a novel T-shaped carrier with twin test objects for visual field screening.
    • To determine if this device can accurately identify common visual field defects.

    Main Methods:

    • Development of a T-shaped carrier device.
    • Utilizing twin test objects for visual field presentation.
    • Administering the device as a screening tool for various visual field defects.

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    Main Results:

    • The T-shaped carrier device proved to be an inexpensive and efficient screening tool.
    • The device successfully facilitated the identification of nasal steppes, paracentral scotomas, enlarged blind spots, arcuate scotomas, macular sparing, and hemianopic defects.

    Conclusions:

    • The T-shaped carrier with twin test objects is a viable, low-cost option for visual field screening.
    • This device aids in the detection of a wide range of visual field abnormalities.
    • It offers a practical solution for widespread visual field screening programs.