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Related Experiment Videos

Specvis: Free and open-source software for visual field examination.

Piotr Dzwiniel1, Mateusz Gola2,3, Anna Wójcik-Gryciuk1,4

  • 1Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Warsaw, Poland.

Plos One
|October 14, 2017
PubMed
Summary

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Specvis, a free and open-source software, offers a reliable and affordable solution for visual field testing. This tool aids in early diagnosis of conditions like glaucoma, improving patient outcomes.

Area of Science:

  • Ophthalmology
  • Medical Diagnostics
  • Software Engineering

Background:

  • Visual field impairment affects over 100 million globally, with underdiagnosis in underserved regions due to high costs and limited expertise.
  • Early diagnosis and intervention are crucial for managing progressive eye diseases like glaucoma.

Purpose of the Study:

  • To introduce Specvis, a free, open-source Java application for visual field examination.
  • To assess the reliability and effectiveness of Specvis compared to standard perimetry methods.

Main Methods:

  • Specvis was developed as a free, open-source application runnable on any personal computer.
  • The software was validated against the Medmont M700 Automated Static Perimeter using patients with glaucoma, retinitis pigmentosa, and stroke.

Related Experiment Videos

  • Inter-test intrapersonal variability was assessed.

    • Main Results:

    • Specvis demonstrated low inter-test intrapersonal variability, indicating high reliability.
    • The application accurately identifies areas of zero visual sensitivity and evaluates sensitivity levels across the visual field.
    • Results were comparable to those obtained with the high-cost Medmont M700 device.

    Conclusions:

    • Specvis is a reliable, accessible, and affordable tool for visual field examination.
    • The software can effectively bridge the gap between basic confrontation tests and complex perimetry.
    • Specvis has the potential to improve access to ophthalmic diagnostics in resource-limited settings.