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Intractable diplopia after vision restoration in unilateral cataract
1Department of Ophthalmology, British Columbia Children's Hospital, Vancouver, Canada.
American Journal of Ophthalmology
|January 15, 1989
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.
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.
- 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.
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