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Factors Affecting Binocular Sensorial Function in Accommodative Esotropia.
Sezin Akca Bayar1, Zeynep Kayaarasi Ozturker2, Burak Ulas3
1Department of Ophthalmology, Baskent University, Ankara Hospital, Ankara, Turkey.
Beyoglu Eye Journal
|January 10, 2022
Summary
The degree of uncorrected distance and near deviation negatively impacts binocular vision and stereopsis in accommodative esotropia (AE). Other factors like anisometropia or age at onset did not significantly affect outcomes.
Area of Science:
- Ophthalmology
- Vision Science
Background:
- Accommodative esotropia (AE) is a common form of strabismus in children.
- Successful alignment is crucial for developing binocular sensory function.
- Factors influencing long-term visual outcomes require further investigation.
Purpose of the Study:
- To assess factors affecting binocular sensory function post-alignment in accommodative esotropia.
- To identify predictors of successful binocular vision and stereopsis development.
Main Methods:
- A cohort of 107 patients under 12 years with AE and at least 6 months follow-up was studied.
- Evaluated variables included age at onset, deviation duration, refractive error, and accommodative convergence to accommodation ratio (AC/A).
Main Results:
- Initial uncorrected distance deviation significantly impacted amblyopia, fusion, and stereopsis.
- Near deviation also affected contoured stereopsis.
- Anisometropia was linked to higher hyperopia and amblyopia risk, but not overall binocular function.
Conclusions:
- Significant uncorrected distance and near deviation are detrimental to binocular vision and stereopsis in AE.
- Anisometropia, age at onset, deviation duration, high hyperopia, and high AC/A were not significant risk factors for impaired binocular function.
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