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Related Experiment Videos

A paired comparison study on refractive changes after strabismus surgery.

Ari Leshno1, Daphna Mezad-Koursh2, Tomer Ziv-Baran3

  • 1Goldschleger Eye Institute, Sheba Medical Center, Tel Aviv, Israel.

Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
|October 13, 2017
PubMed
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Horizontal strabismus surgery, specifically lateral rectus recession and medial rectus resection, can cause significant refractive changes in operated eyes. Pediatric ophthalmologists should consider re-refraction one month postoperatively.

Area of Science:

  • Ophthalmology
  • Strabismus Surgery
  • Refractive Error

Background:

  • Strabismus surgery aims to correct eye alignment.
  • Refractive changes post-surgery are not fully understood.
  • Horizontal muscle surgery involves specific eye muscle manipulations.

Purpose of the Study:

  • To quantify refractive changes after horizontal lateral rectus recession and medial rectus resection.
  • To investigate the underlying causes of these refractive shifts.
  • To compare refractive changes in operated eyes versus sound eyes.

Main Methods:

  • Retrospective review of 31 patients undergoing unilateral horizontal strabismus surgery.
  • Vector analysis used to compare refractive changes between operated and contralateral (sound) eyes.

Related Experiment Videos

  • Assessment of mean refractive parameter changes and proportion of clinically significant refractive shifts.

    • Main Results:

    • Operated eyes showed a significantly higher magnitude of refractive changes compared to sound eyes (P=0.001).
    • Clinically significant changes in sphere were observed in 48% of operated eyes versus 10% of sound eyes (OR=2.31, P=0.002).
    • Clinically significant changes in cylinder were noted in 32% of operated eyes versus 10% of sound eyes (OR=5.0, P=0.039).

    Conclusions:

    • Horizontal strabismus surgery is linked to clinically significant refractive alterations.
    • Pediatric ophthalmologists should consider post-operative re-refraction approximately one month after surgery.
    • These findings highlight the importance of monitoring refractive status following strabismus correction.