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Monocular visual outcome in untreated early onset esotropia
W V Good1, L C da Sa, C J Lyons
1Department of Ophthalmology, University of California, San Francisco.
The British Journal of Ophthalmology
|August 1, 1993
Summary
Untreated early onset esotropia had lower amblyopia incidence (15%) than treated patients (80%). Conventional treatment, including surgery, increased amblyopia risk in this study.
Area of Science:
- Ophthalmology
- Pediatric Ophthalmology
- Strabismus Research
Background:
- Early onset esotropia is a common condition in pediatric ophthalmology.
- Amblyopia, or 'lazy eye,' can result from untreated strabismus.
- Conventional treatments aim to correct alignment and visual acuity.
Purpose of the Study:
- To analyze the incidence of amblyopia in adults with early onset esotropia.
- To compare amblyopia rates between untreated and conventionally treated patients.
- To investigate the long-term effects of early surgical alignment on amblyopia.
Main Methods:
- Retrospective analysis of 40 adult patients with early onset esotropia.
- Group 1: 20 patients received no prior treatment.
- Group 2: 20 patients received conventional treatment (occlusion, early surgical alignment).
Main Results:
- Amblyopia incidence was significantly lower in the untreated group (15%) compared to the treated group (80%).
- After treatment, 35% of the control group (treated) remained amblyopic.
- Spherical anisometropia >2 diopters was noted in two untreated amblyopic patients but not linked to amblyopia in the treated group.
Conclusions:
- Early surgical alignment for esotropia may increase the risk of amblyopia.
- Conventional treatments, while aiming for alignment, can paradoxically lead to higher amblyopia rates.
- Further research is needed to optimize treatment strategies for early onset esotropia to minimize amblyopia.