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Related Experiment Videos

[Threshold-adjusted supraliminal pattern perimetry with the Goldmann perimeter].

F W Fischer

    Klinische Monatsblatter Fur Augenheilkunde
    |September 1, 1984
    PubMed
    Summary

    This study introduces manual supraliminal pattern perimetry on a Goldmann perimeter. This method efficiently detects visual field defects by adjusting stimuli to physiological sensitivity gradients.

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    Reading reversals and developmental dyslexia: a further study.

    Cortex; a journal devoted to the study of the nervous system and behavior·1978

    Area of Science:

    • Ophthalmology
    • Visual Science

    Context:

    • Goldmann perimetry is a standard tool for visual field assessment.
    • Detecting subtle visual field defects requires precise and adaptable perimetric methods.

    Purpose:

    • To describe a manual supraliminal pattern perimetry technique for the Goldmann perimeter.
    • To enable efficient detection of relative and absolute visual field defects.

    Summary:

    • The method involves adjusting stimuli along the physiological sensitivity gradient to determine thresholds at specific meridians.
    • Defined brightness levels are used across visual field sectors (2-30 degrees) to identify defects using a rectangular grid pattern.
    • Manual supraliminal pattern perimetry on the Goldmann perimeter allows for flexibility in altering pattern density and switching between perimetric methods.

    Impact:

    • Manual perimetry enhances clinical decision-making by integrating physician experience.
    • Offers a flexible, time-efficient alternative to automatic perimetry for diagnosing visual field abnormalities.
    • Facilitates combined screening and detection, particularly beneficial in complex cases.

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