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Related Experiment Videos

Aphakic visual fields by automated perimetry.

B A Miller1, E C Gelber

  • 1Bascom Palmer Eye Institute, University of Miami.

Annals of Ophthalmology
|November 1, 1990
PubMed
Summary
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Testing visual fields in aphakic patients is challenging due to lens distortion. Using an aspheric contact lens improves the accuracy of identifying glaucomatous visual field abnormalities with Humphrey Visual Field Analyzer software.

Area of Science:

  • Ophthalmology
  • Optometry
  • Visual Science

Background:

  • Accurate visual field testing in aphakic patients presents challenges.
  • High plus corrective lenses induce optical distortions, complicating assessments.

Purpose of the Study:

  • To evaluate an improved method for visual field testing in aphakic patients.
  • To determine if aspheric contact lenses enhance the detection of glaucomatous abnormalities.

Main Methods:

  • Comparison of visual field testing using aspheric contact lenses versus full-aperture loose trial lenses.
  • Utilized the Humphrey Visual Field Analyzer with program 30-2 and Statpac analysis.

Main Results:

  • Aspheric contact lenses improved the identification of glaucomatous visual field abnormalities.

Related Experiment Videos

  • The pattern-deviation printout from Statpac analysis was more effective with the contact lens method.

    • Conclusions:

    • Employing aspheric contact lenses is a superior method for visual field testing in aphakic patients.
    • This technique enhances diagnostic capabilities for glaucoma detection in this population.