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Updated: Jul 15, 2026
03:59
Surgical Correction for Pediatric Epiblepharon and Trichiasis
Published on: July 8, 2025
One-muscle surgery in small-angle residual esotropia
Paolo Nucci1, Massimiliano Serafino, Rupal H Trivedi
1University of Milan, Department of Ophthalmology, Pediatric Ophthalmology Unit, San Paolo Hospital, Milan, Italy. p.nucci@flashnet.it <p.nucci@flashnet.it>
Summary
Unilateral lateral rectus resection effectively treats small-angle residual esotropia after previous surgery. Doubling the strabismus angle for surgical dosage in one eye yielded better long-term alignment.
Area of Science:
- Ophthalmology
- Strabismus Surgery
- Pediatric Ophthalmology
Background:
- Congenital esotropia often requires surgical intervention.
- Bilateral medial rectus recession is a common initial treatment.
- Residual esotropia may necessitate further surgical management.
Purpose of the Study:
- To evaluate the outcomes of unilateral lateral rectus resection for residual esotropia.
- To compare two surgical dosing strategies for this procedure.
Main Methods:
- Retrospective review of 35 patients with residual esotropia post-bilateral medial rectus recession.
- Group 1: Unilateral lateral rectus resection with dosage doubled for strabismus angle.
- Group 2: Unilateral lateral rectus resection with standard bilateral dosage plus 1.5 mm augmentation.
Main Results:
- No significant differences in baseline characteristics between groups.
- Group 1 showed improved postoperative alignment at 6 months (3.5 prism diopters) compared to 1 month (6.7 prism diopters).
- No significant intergroup differences in outcomes were observed.
Conclusions:
- Unilateral lateral rectus resection is a viable treatment for residual esotropia.
- Calculating resection by doubling the strabismus angle for a single muscle is an effective strategy.
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