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Related Experiment Videos

Comatic aberration as a cause of monocular diplopia.

Alex Melamud1, Maria Regina Chalita, Ronald R Krueger

  • 1Cole Eye Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA.

Journal of Cataract and Refractive Surgery
|April 25, 2006
PubMed
Summary
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Monocular diplopia, or double vision in one eye, can be linked to higher-order optical aberrations like coma. Wavefront analysis may aid in diagnosing this condition when other tests fail.

Area of Science:

  • Ophthalmology
  • Neuro-ophthalmology
  • Optical Aberrations

Background:

  • Monocular diplopia presents a diagnostic challenge, often lacking clear causes like trauma or surgery.
  • Standard ophthalmic evaluations, including refraction and corneal topography, may not identify the source.

Observation:

  • Three patients with unexplained monocular diplopia underwent comprehensive neuro-ophthalmic evaluation.
  • Wavefront analysis revealed significant amounts of coma in all affected eyes.
  • The orientation of diplopia (horizontal or vertical) correlated with the type of coma detected.

Findings:

  • Pinhole, manifest refraction, and contact lens overrefraction did not resolve the diplopia.
  • Wavefront analysis identified coma as a potential cause of monocular diplopia.

Related Experiment Videos

  • A direct correlation was observed between coma type and diplopia orientation.

    • Implications:

    • Higher-order aberrations, specifically coma, should be considered in cases of monocular diplopia.
    • Wavefront technology offers a valuable tool for diagnosing monocular diplopia when conventional methods are insufficient.
    • This study highlights the role of advanced optical analysis in understanding complex visual disturbances.