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Surgical outcome of unilateral recess-resect in convergence insufficiency-type intermittent exotropia: Comparison of two surgical formulae

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  • Hye Jun Joo
  • Hyeon Jung Kim
  • Dong Gyu Choi

Abstract

Aim: We compared the surgical outcomes of monocular lateral rectus recession–medial rectus resection (RR) for convergence insufficiency-type intermittent exotropia (CI-type IXT) using two different formulas. Methods: A retrospective review of patients who underwent unilateral RR for CI-type IXT with at least 6 months follow-up was done. In group 1 (58 patients), RR was determined based on the average of distance and near exodeviation. In group 2 (80 patients), lateral rectus (LR) recession amount was based on the exodeviation at distance and medial rectus (MR) resection was done as the same amount of LR recession (symmetric RR). Results: Group 2 showed greater esodeviation at distance and near until postoperative 1 month, however, there was no significant difference in deviation angles between the two groups from 3 to 24 months. Both groups showed significant reduction in near-distance difference up to postoperative 24 months (p

Suggested Citation

  • Hye Jun Joo & Hyeon Jung Kim & Dong Gyu Choi, 2026. "Surgical outcome of unilateral recess-resect in convergence insufficiency-type intermittent exotropia: Comparison of two surgical formulae," PLOS ONE, Public Library of Science, vol. 21(3), pages 1-9, March.
    • Handle: RePEc:plo:pone00:0343366
    DOI: 10.1371/journal.pone.0343366
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