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. Jul-Aug 2013;36(4):179-87.
doi: 10.4103/2319-4170.113854.

Analysis of Visual Outcomes and Complications Following Levator Resection for Unilateral Congenital Blepharoptosis Without Strabismus

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Analysis of Visual Outcomes and Complications Following Levator Resection for Unilateral Congenital Blepharoptosis Without Strabismus

Shu-Ya Wu et al. Biomed J. .
Free article

Abstract

Background: It is challenging to manage congenital blepharoptosis, especially unilateral, because symmetry is difficult to achieve under general anesthesia and age at which the ptosis should be corrected is still controversial. The aim of our study is to analyze visual and surgical outcomes after levator resection for unilateral congenital blepharoptosis.

Methods: Charts of patients with unilateral congenital blepharoptosis who underwent levator resection at the Chang Gung Memorial Hospital from 1991 through 2000 were reviewed. The resultant database was interrogated for demographic data, severity, surgical timing, visual outcomes, surgical outcomes, and complications.

Results: Eighty-four children underwent levator resection for unilateral congenital blepharoptosis: 16.7% of these patients had amblyopia and 84.5% had surgical success following levator resection. Severe ptosis (p = 0.0288, p < 0.05) and surgery at less than 2 years of age (p = 0.0126, p < 0.05) were the important factors contributing to surgical failure. Age at surgery (p = 0.0058, p < 0.01) and amblyogenic ametropia (p = 0.0001, p < 0.001) were found to be significantly associated with the postoperative visual results.

Conclusion: The levator resection provides satisfactory results both in function and cosmesis in patients with unilateral congenital blepharoptosis. Amblyogenic ametropia is the leading cause of amblyopia in the patients with unilateral isolated congenital blepharoptosis. However, patients with unilateral congenital blepharoptosis should have cycloplegic refraction as early as possible, and their visual status monitored until visual maturity.

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