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Related Experiment Video

Updated: Jun 12, 2026

Surgical Correction for Pediatric Epiblepharon and Trichiasis
03:59

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Surgery for esotropia under topical anesthesia.

Jaime Tejedor1, Consuelo Ogallar, José M Rodríguez

  • 1Department of Ophthalmology, Hospital Ramón y Cajal, Madrid, Spain. jtejedor.hrc@salud.madrid.org

Ophthalmology
|June 24, 2010
PubMed
Summary
This summary is machine-generated.

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Topical anesthesia for strabismus surgery requires less surgical intervention compared to sub-Tenon's anesthesia. Both methods achieved similar motor success and stereoacuity outcomes in patients with esotropia.

Area of Science:

  • Ophthalmology
  • Surgical Techniques
  • Anesthesia

Background:

  • Strabismus surgery often utilizes sub-Tenon's anesthesia with established surgical dosage guidelines.
  • Topical anesthesia offers a potentially less invasive alternative for cooperative patients undergoing strabismus correction.

Purpose of the Study:

  • To compare the surgical dose and outcomes of strabismus surgery using adjusted topical anesthesia versus sub-Tenon's anesthesia.
  • Evaluate the efficacy and safety of topical anesthesia in correcting esotropia.

Main Methods:

  • A randomized, controlled clinical trial involving 60 patients with esotropia.
  • Patients were assigned to either topical anesthesia (n=28) or sub-Tenon's anesthesia (n=32).
  • Surgical amounts were adjusted intraoperatively for the topical anesthesia group; outcomes included deviation angle and stereoacuity at 6 months.

Related Experiment Videos

Last Updated: Jun 12, 2026

Surgical Correction for Pediatric Epiblepharon and Trichiasis
03:59

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Main Results:

  • The topical anesthesia group required significantly less surgical intervention (mean 5.9 mm) compared to the sub-Tenon's group (mean 9.1 mm).
  • Both groups demonstrated similar motor success rates (84% vs. 75%) and stereoacuity (339.6 vs. 323.9 arc seconds) at 6 months.
  • Topical anesthesia also involved operating on fewer muscles per degree of deviation.

Conclusions:

  • Adjusted topical anesthesia necessitates a smaller surgical dose for esotropia correction compared to traditional techniques.
  • Topical anesthesia is a viable option for strabismus surgery, achieving comparable functional outcomes with reduced surgical invasiveness.