Factors associated with changes in horizontal deviation after inferior oblique weakening surgery

Background/aims To identify the factors affecting postoperative horizontal deviation following isolated inferior oblique (IO) weakening surgery. Methods The medical records of patients who had undergone isolated IO weakening surgery between February 2010 and September 2021, with a minimum follow-up...

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Bibliographic Details
Published in:Eye (London) 2024-02, Vol.38 (3), p.600-605
Main Authors: Gim, Yujin, Kim, Seong-Joon
Format: Article
Language:English
Subjects:
692/308/409
692/699/3161/3171
Laboratory Medicine
Medical records
Medicine
Medicine & Public Health
Ophthalmology
Patients
Pharmaceutical Sciences/Technology
Rectus muscle
Statistical analysis
Strabismus
Surgery
Surgical Oncology
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Summary:Background/aims To identify the factors affecting postoperative horizontal deviation following isolated inferior oblique (IO) weakening surgery. Methods The medical records of patients who had undergone isolated IO weakening surgery between February 2010 and September 2021, with a minimum follow-up period of 6 months, were retrospectively reviewed. Patients were divided into two groups, eso-shift, and non-eso-shift, based on the change in horizontal deviation at postoperative 6 months. Eso-shift or exo-shift was defined as a change of 2Δ or more. Results A total of 77 patients were included. Among them, 49 patients (63.6%) showed changes in horizontal deviation: 37 (48.0%) eso-shift, 12 (15.6%) exo-shift. Twenty-eight patients (36.4%) showed no change in alignment. The eso-shift group showed the following characteristics compared to the non-eso-shift group: older age ( P  
ISSN:0950-222X
1476-5454
DOI:10.1038/s41433-023-02741-3