Analysis of astigmatism outcomes after horizontal rectus muscle surgery in patients with intermittent exotropia

Dong Cheol Lee and Se Youp Lee

PLOS ONE, 2020, vol. 15, issue 10, 1-14

Abstract: This study examined the factors affecting corneal curvature change after lateral rectus recession and medial rectus resection surgery in patients with intermittent exotropia. This was a retrospective cross-sectional study in intermittent exotropia patients who underwent rectus resection surgery. The study involved 41 male and 42 female patients (mean age: 9.55 ± 5.03 years, range: 3–28 years). Corneal astigmatism analysis was performed using the Galilei G4 Dual Scheimpflug Analyzer. The values of simulated and ray tracing corneal keratometry (K) of astigmatism, including axis changes, were determined preoperatively and at 1 week and 3 months postoperatively. The factors found to affect corneal curvature change were sex, extent of surgery, and axial length. Simulated and ray tracing changes were significant preoperatively and at 1 week and 3 months after rectus resection surgery (p

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0240026

DOI: 10.1371/journal.pone.0240026

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