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Related Experiment Videos

Current practice with standard automated perimetry.

C F Bosworth1, P A Sample, C A Johnson

  • 1Department of Ophthalmology, Glaucoma Center and Visual Function Laboratory, University of California, San Diego, La Jolla, CA 92093-0946, USA.

Seminars in Ophthalmology
|June 26, 2007
PubMed
Summary
This summary is machine-generated.

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This review covers standard visual field testing, including its psychophysics, parameters, and interpretation for detecting glaucomatous damage. It also explains the Swedish Interactive Thresholding Algorithm and criteria for identifying visual field abnormalities.

Area of Science:

  • Ophthalmology
  • Optometry
  • Visual Science

Background:

  • Standard visual field testing is crucial for assessing retinal function and detecting vision loss.
  • Understanding the psychophysics and parameters of visual field testing is essential for accurate interpretation.
  • Glaucomatous damage is a primary concern in visual field analysis, necessitating reliable detection methods.

Purpose of the Study:

  • To provide a comprehensive review of standard visual field testing procedures.
  • To explain the principles behind perimeter design and visual field sensitivity parameters.
  • To detail the interpretation of visual fields, focusing on the detection of glaucomatous damage and the application of new algorithms.

Main Methods:

  • Review of existing literature on visual field testing.

Related Experiment Videos

  • Discussion of psychophysical principles in perimeter design.
  • Explanation of the Swedish Interactive Thresholding Algorithm (SITA).
  • Analysis of factors influencing visual field results and criteria for abnormality.

    • Main Results:

    • Normal and pathological sensitivity across the visual field are explained.
    • Factors influencing visual field results, including patient and testing conditions, are detailed.
    • The interpretation of single visual fields, with emphasis on glaucomatous damage, is presented.
    • The Swedish Interactive Thresholding Algorithm (SITA) is described.

    Conclusions:

    • Accurate visual field testing requires understanding psychophysics, parameters, and influencing factors.
    • The interpretation of visual fields is critical for diagnosing conditions like glaucoma.
    • New algorithms like SITA offer advancements in thresholding for visual field analysis.
    • Establishing clear criteria for abnormality is vital for reliable detection of visual field defects.