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Automatic perimetry in glaucoma visual field screening. A clinical study

A Heijl

    Albrecht Von Graefes Archiv Fur Klinische Und Experimentelle Ophthalmologie. Albrecht Von Graefe'S Archive for Clinical and Experimental Ophthalmology
    |July 26, 1976
    PubMed
    Summary
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    Automatic computerized perimetry closely matched manual methods for glaucoma screening, identifying all defects. Rescreening significantly reduced false positives for both techniques, with automatic perimetry proving superior to routine methods.

    Area of Science:

    • Ophthalmology
    • Medical Technology

    Background:

    • Glaucoma diagnosis relies on visual field testing.
    • Accurate and efficient perimetry is crucial for early detection and management.
    • Comparing automated and manual visual field testing methods is essential for optimizing clinical practice.

    Purpose of the Study:

    • To compare the efficacy of automatic computerized perimetry with manual selective perimetry in glaucoma patients.
    • To evaluate the diagnostic accuracy and false positive rates of both perimetry methods.
    • To assess the impact of rescreening on reducing false positives.

    Main Methods:

    • A comparative study involving 181 eyes of 100 glaucoma patients.
    • Utilized automatic computerized perimetry and manual selective perimetry (Armaly variant).

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  • Analyzed defect identification, false positive rates, and the effect of rescreening.

    • Main Results:

    • Automatic computerized perimetry demonstrated high concordance with manual selective perimetry.
    • All visual field defects identified by manual perimetry were detected by the automatic method.
    • Rescreening substantially decreased false positive results for both automatic (16% to 4.4%) and manual (11% to 3.3%) perimetry.
    • Automatic perimetry was found to be superior to routine perimetry.

    Conclusions:

    • Automatic computerized perimetry is a reliable and effective tool for glaucoma visual field testing.
    • Rescreening is a valuable strategy for improving the specificity of perimetry.
    • Automated perimetry offers advantages over routine methods in glaucoma screening.