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Is Conventional Horizontal Strabismus Surgery Still a Valid Option in High Myopia?

Lene Maurer1, Anja Palmowski-Wolfe1

  • 1Eye Clinic, University Eye Hospital Basel, Basel, Switzerland.

Klinische Monatsblatter Fur Augenheilkunde
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Summary

Conventional horizontal strabismus surgery is a viable option for patients with high myopia. This study found it feasible, safe, and effective, with predictable outcomes and no increased risk of scleral perforation.

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Area of Science:

  • Ophthalmology
  • Strabismus Surgery
  • High Myopia Management

Background:

  • Surgical techniques for extraocular muscles aim to reduce scleral perforation risk in strabismus surgery.
  • Published outcomes for these methods show significant variability.
  • The efficacy of conventional horizontal strabismus surgery in high myopia requires further assessment.

Purpose of the Study:

  • To evaluate the safety and effectiveness of conventional horizontal strabismus surgery in patients with high myopia.
  • To determine if this surgical approach is a valid option for this specific patient population.

Main Methods:

  • Retrospective chart review of 22 patients with high myopia (spherical equivalent ≥ -6.0 D).
  • Patients underwent conventional horizontal strabismus surgery.
  • Exotropic angles were converted to positive values for analysis.

Main Results:

  • Mean preoperative deviation was 33.9 PD at distance and 35.3 PD at near.
  • Mean dose effect (DE) three months post-surgery was 2.8 PD/mm at distance and 2.9 PD/mm at near.
  • No major complications like scleral perforations or retinal detachment were reported.

Conclusions:

  • Conventional horizontal strabismus surgery is feasible in patients with high myopia.
  • The procedure is not associated with an elevated risk of scleral perforation.
  • Predictable surgical results can be achieved in this patient group.