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Related Experiment Videos

[Auto recording system for the Goldmann perimeter].

G Takahashi1, A Kandatsu, J Ogawa

  • 1Department of Ophthalmology, Jikei University School of Medicine, Minato-ku, Japan.

Nippon Ganka Gakkai Zasshi
|October 1, 1992
PubMed
Summary
This summary is machine-generated.

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A modified Goldmann perimeter system digitally records visual field test data, enabling precise computer analysis and tracking of changes in visual field shape and numerical values for patients.

Area of Science:

  • Ophthalmology
  • Medical instrumentation
  • Computer science

Context:

  • Goldmann perimetry is a standard clinical tool for visual field testing.
  • Manual recording of Goldmann perimetry data can be time-consuming and prone to errors.
  • Digital conversion of visual field data is crucial for advanced analysis and patient monitoring.

Purpose:

  • To develop a novel recording instrument for direct computer storage and evaluation of Goldmann perimeter data.
  • To enhance the accuracy and efficiency of visual field testing.
  • To facilitate longitudinal tracking of visual field changes.

Summary:

  • A modified Goldmann perimeter was engineered with potentiometers and electrical switches to directly transfer test target position, size, and brightness settings to a computer.

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  • The system achieves an accuracy of better than 1.3 degrees across the entire chart surface.
  • This digital recording method allows for straightforward monitoring of visual field alterations, including shape and numerical value changes, over time.

    • Impact:

    • Enables objective and quantitative analysis of visual field data.
    • Improves the ability to detect subtle changes in a patient's visual field.
    • Facilitates research and clinical studies by providing standardized, computer-readable data.