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- Title
Intraocular pressure changes at different gaze positions after superior rectus muscle-lateral rectus muscle loop myopexy in highly myopic strabismus.
- Authors
Arai, Shinji; Suzuki, Hiroko; Hayashi, Shion; Inagaki, Risako; Haseoka, Takashi; Hikoya, Akiko; Komori, Miwa; Shimizu, Tamami; Hotta, Yoshihiro; Sato, Miho
- Abstract
Purpose: To evaluate changes in intraocular pressure (IOP) at different gaze positions before and after superior rectus muscle-lateral rectus muscle (SR-LR) loop myopexy in highly myopic strabismus (HMS). Study design: Nonrandomized clinical, prospective, interventional trial. Methods: Fourteen patients with HMS (18 eyes) who underwent SR-LR loop myopexy were divided into 3 groups: < 100 prism diopters (PD) (mild esotropia [ET] group), > 100 PD (large ET group), and > 100 PD, and simultaneous recession of the medial rectus (MR) muscle was performed (large ET + MR group). Intraocular pressure was measured preoperatively and postoperatively at the primary, abduction, and adduction positions in each group. Results: Intraocular pressure did not change after surgery in the mild ET group. Intraocular pressure significantly decreased in the abduction position (from 20.0 ± 2.1 to 16.0 ± 1.9 mmHg, P = 0.043) in the large ET group and in the abduction (from 22.2 ± 5.9 to 15.6 ± 4.3 mmHg, P = 0.048) and primary positions (from 15.8 ± 5.0 to 10.2 ± 2.8 mmHg, P = 0.043) in the large ET + MR group. The preoperative significant differences in IOP between the abduction and adduction positions in the large ET group (7.4 ± 3.4 mmHg) and the large ET + MR group (10.0 ± 5.5 mmHg) disappeared postoperatively (3.2 ± 2.8 mmHg and 3.6 ± 1.7 mmHg, respectively). The differences in IOP between abduction and adduction were similar in all the groups. Conclusion: SR-LR loop myopexy decreased IOP in patients with HMS in the abduction and primary positions.
- Subjects
INTRAOCULAR pressure; STRABISMUS; GAZE; CONVERGENT strabismus; ABDUCTION
- Publication
Japanese Journal of Ophthalmology, 2024, Vol 68, Issue 1, p26
- ISSN
0021-5155
- Publication type
Article
- DOI
10.1007/s10384-023-01032-4