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Familial cold-induced transient diplopia.

Katie Luneau1, Claire Blais, Michael Brodsky

  • 1Department of Ophthalmology, Centre Hospitalier de l'Universite de Montreal, Montreal, Quebec, Canada.

Strabismus
|May 20, 2008
PubMed
Summary
This summary is machine-generated.

Familial cold-induced vertical diplopia, a rare condition, affects individuals after cold exposure. This disorder, potentially linked to vertical phoria breakdown, does not necessarily indicate systemic illness.

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Area of Science:

  • Ophthalmology
  • Genetics

Background:

  • Intermittent diplopia commonly results from fatigue or illness causing phoria breakdown.
  • Phorias are latent eye muscle imbalances that can manifest as double vision.

Observation:

  • A mother and daughter presented with vertical diplopia exclusively after exposure to cold environments.
  • The symptoms were persistent over many years, indicating a stable condition.

Findings:

  • Ocular motility examinations revealed that the diplopia stemmed from the decompensation of a small vertical phoria.
  • This suggests a specific susceptibility to cold-induced diplopia within this family.

Implications:

  • Familial cold-induced vertical diplopia is a rare condition with an unknown cause.
  • Its occurrence does not imply the presence of underlying systemic diseases, simplifying diagnosis and management.