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Related Experiment Videos

Intractable diplopia after vision restoration in unilateral cataract.

J A Pratt-Johnson1, G Tillson

  • 1Department of Ophthalmology, British Columbia Children's Hospital, Vancouver, Canada.

American Journal of Ophthalmology
|January 15, 1989
PubMed
Summary

Patients with long-term unilateral traumatic cataracts experienced persistent double vision (diplopia) after treatment. Corrective surgery did not restore binocular vision, indicating a poor prognosis for eliminating diplopia without eye occlusion.

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Vision Science

Background:

  • Unilateral traumatic cataracts can disrupt binocular function for extended periods.
  • Prolonged disruption of binocular vision may lead to a loss of fusion ability.
  • Diplopia is a common consequence of impaired binocular vision.

Purpose of the Study:

  • To investigate the long-term effects of unilateral traumatic cataracts on binocular function.
  • To determine the success of cataract removal and aphakia correction in restoring fusion.
  • To assess the prognosis for patients experiencing intractable diplopia post-treatment.

Main Methods:

  • Study included 24 patients with a history of unilateral traumatic cataract and uncorrected aphakia.
  • Patients experienced disrupted binocular function for at least 2.5 years.

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  • Cataract removal and aphakia correction were performed, followed by evaluation for diplopia and fusion ability.

    • Main Results:

    • All 24 patients developed intractable diplopia after cataract removal and aphakia correction.
    • Aniseikonia was ruled out as the cause of the inability to fuse.
    • Intraocular lens implantation did not alleviate the diplopia.

    Conclusions:

    • Loss of binocular fusion following prolonged unilateral traumatic cataract is often irreversible.
    • The prognosis for eliminating diplopia without eye occlusion is poor in these cases.
    • Early intervention for unilateral traumatic cataracts is crucial to preserve binocular vision.