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[The central visual field in flicker stimulation].

M P Delplace1, S Majzoub, M S Sander

  • 1Service d'Explorations Fonctionnelles Ophtalmologiques et de Strabologie, CHU Bretonneau, Tours.

Ophtalmologie : Organe De La Societe Francaise D'Ophtalmologie
|May 1, 1990
PubMed
Summary
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Flicker visual field testing in ganzfeld may help detect visual field abnormalities in glaucoma patients, even when standard visual field tests appear normal.

Area of Science:

  • Ophthalmology
  • Visual Neuroscience

Context:

  • Glaucoma is a leading cause of irreversible blindness.
  • Early detection of glaucomatous visual field defects is crucial for timely intervention.
  • Standard static perimetry may not detect early-stage visual field loss.

Purpose:

  • To evaluate the efficacy of flicker visual field testing in detecting campimetric abnormalities in glaucoma patients.
  • To compare flicker visual field results with standard perimetry in glaucoma and control subjects.

Summary:

  • Flicker visual field tests were performed on 12 glaucoma patients and 4 control groups using 3, 8, 15, and 35 Hertz flicker frequencies in a ganzfeld setup.
  • The study assessed visual field responses across different flicker frequencies.
  • Results indicated potential for flicker visual field testing to identify visual field deficits.

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Impact:

  • Flicker visual field testing could serve as a valuable supplementary tool for diagnosing glaucoma.
  • This method may improve the detection rate of early glaucomatous visual field abnormalities.
  • Enhanced diagnostic capabilities can lead to earlier treatment and better patient outcomes.