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Related Experiment Videos

New methods for quantifying diplopia.

Jonathan M Holmes1, David A Leske, Mark J Kupersmith

  • 1Department of Ophthalmology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA. holmes.jonathan@mayo.edu

Ophthalmology
|September 28, 2005
PubMed
Summary
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New methods for quantifying diplopia, including a questionnaire and cervical range of motion (CROM) examination, demonstrate excellent validity and reliability. These tools effectively measure diplopia severity and responsiveness to treatment in patients.

Area of Science:

  • Ophthalmology
  • Neurology
  • Medical Devices

Background:

  • Diplopia, or double vision, significantly impacts patient quality of life.
  • Accurate quantification of diplopia is crucial for diagnosis and treatment monitoring.
  • Existing methods for measuring diplopia can be cumbersome or lack comprehensive validation.

Purpose of the Study:

  • To develop and validate novel methods for quantifying diplopia severity.
  • To assess the test-retest reliability of these new measurement tools.
  • To evaluate the responsiveness of the new methods to treatment interventions.

Main Methods:

  • A prospective case series involving adult patients with various causes of diplopia.
  • Development of a new diplopia questionnaire and a cervical range of motion (CROM) diplopia examination.

Related Experiment Videos

  • Comparison of new methods against the Goldmann perimeter for validity, with reliability and responsiveness assessed in separate patient cohorts.

    • Main Results:

    • Excellent agreement was found between the new diplopia questionnaire and CROM examination scores and the Goldmann diplopia field scores (ICC > 0.87).
    • The CROM examination demonstrated excellent intertester reliability (ICC = 0.87).
    • Both methods showed significant improvement post-treatment, indicating high responsiveness to interventions like surgery or prednisone therapy.

    Conclusions:

    • The developed diplopia questionnaire and CROM diplopia examination are valid, reliable, and responsive measures.
    • These new tools offer a more accessible and less cumbersome alternative for assessing diplopia severity.
    • The findings support the clinical utility of these methods in managing patients with diplopia.