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Related Experiment Videos

Panoptic versus conventional ophthalmoscope.

Jayne E McComiskie1, Ristan M Greer, Glen A Gole

  • 1Departmentof Paediatrics and Child Health, University of Queensland, Brisbane, Queensland, Australia.

Clinical & Experimental Ophthalmology
|June 8, 2004
PubMed
Summary
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Medical students found the Panoptic direct ophthalmoscope (PO) easier to use than the conventional direct ophthalmoscope (CO) for measuring the vertical optic cup/disc ratio (VCDR). Accuracy was similar, suggesting the PO is suitable for non-ophthalmologists.

Area of Science:

  • Ophthalmology
  • Medical Education
  • Diagnostic Tools

Background:

  • Assessing the vertical optic cup/disc ratio (VCDR) is crucial for glaucoma detection.
  • Conventional direct ophthalmoscopes (CO) may present usability challenges for non-specialists.

Purpose of the Study:

  • To compare the ease of use and accuracy of VCDR measurement between the CO and the Panoptic direct ophthalmoscope (PO).
  • To determine the suitability of the PO for non-ophthalmologists, specifically first-year medical students.

Main Methods:

  • A quasi-randomized method comparison study involving eight first-year medical students.
  • Students performed VCDR measurements using both CO and PO on 18 eyes (10 subjects, one dilated eye each).
  • Ease of use was rated on a 1-10 scale, and measurements were compared to a consultant ophthalmologist's benchmark.

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Main Results:

  • Accuracy of VCDR measurements was similar between the CO and PO (P = 0.67).
  • The PO received significantly higher 'ease of use' scores compared to the CO (median 9 vs. 8, P < 0.0001).
  • Higher ease of use scores for the PO were consistent across all examination sessions.

Conclusions:

  • The Panoptic direct ophthalmoscope (PO) offers significantly improved ease of use for medical students compared to the conventional direct ophthalmoscope (CO).
  • The accuracy of VCDR measurement is comparable between the two devices.
  • The PO is recommended for wider adoption by medical students, general practitioners, and primary care providers.