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Fixation switch diplopia

¹Department of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, USA.

Archives of Ophthalmology (Chicago, Ill. : 1960)

|July 1, 1995

Summary

Fixation switch diplopia, a cause of acquired double vision in adults with childhood strabismus, can be successfully treated. Proper optical management can eliminate symptoms by encouraging fixation with the dominant eye.

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Area of Science:

Ophthalmology
Neuroscience

Background:

Adults with a history of childhood strabismus can develop acquired diplopia.
This acquired double vision, termed fixation switch diplopia, occurs when refractive error changes or spectacle use shifts fixation to the nondominant eye.

Observation:

A retrospective review identified 16 patients with fixation switch diplopia.
Causes included spontaneous myopic shift, monovision, and unbalanced refractive correction due to noncycloplegic refraction in amblyopic patients.

Findings:

All 16 patients experienced symptom resolution with appropriate optical correction.
Corrective strategies encouraged fixation with the previously dominant eye, eliminating diplopia.

Implications:

Fixation switch diplopia is an underrecognized cause of acquired double vision in adults.
Prompt diagnosis and proper optical management offer a high success rate for treatment.

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