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Alterations of lower- and higher-order aberrations after unilateral horizontal rectus muscle surgery in children with intermittent exotropia: A retrospective cross-sectional study

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Author(s)
Dong Cheol LeeSe Youp LeeJong Hwa Jun
Keimyung Author(s)
Lee, Dong CheolLee, Se YupJun, Jong Hwa
Department
Dept. of Ophthalmology (안과학)
Journal Title
PLoS One
Issued Date
2022
Volume
17
Issue
2
Abstract
Background:
This retrospective, cross-sectional study investigated changes in corneal lower- and higher-order aberrations that cause visual disturbance after lateral rectus recession and medial rectus resection in children.

Methods:
Eighty-five eyes of 85 patients (44 boys; 8.64±2.88 years) who underwent lateral rectus recession and medial rectus resection to correct intermittent exotropia were assessed. The Galilei G4 Dual Scheimpflug Analyzer was used for wavefront analysis. Risk factors (age, sex, amount of surgery, preoperative axial length, preoperative intraocular pressure) were determined. Outcome measures included simulated and ray-tracing mode keratometry with secondary defocus, oblique, and vertical astigmatism (for lower-order aberrations) and the root mean square, 3rd-order vertical and horizontal coma, oblique and horizontal trefoil, 4th-order spherical aberration, oblique and vertical secondary astigmatism, and oblique and vertical quadrafoil (2nd‒8th sums) (for higher-order aberrations).

Results:
Myopic with-the-rule changes in low-order aberrations and increases in simulated and ray-tracing mode keratometry during the 3 months following lateral rectus recession and medial rectus resection were attributed to muscle healing and stability changes. High-order aberrations altered in the week following surgery almost returned to normal within 3 months. Axial length, the amount of surgery, age, and sex affected astigmatism due to differences in patients’ scleral states.

Conclusions:
Clinicians should consider changes in high-order aberrations of young individuals who underwent lateral rectus recession and medial rectus resection and may not be able to verbalize changes in vision.
Keimyung Author(s)(Kor)
이동철
이세엽
전종화
Publisher
School of Medicine (의과대학)
Citation
Dong Cheol Lee et al. (2022). Alterations of lower- and higher-order aberrations after unilateral horizontal rectus muscle surgery in children with intermittent exotropia: A retrospective cross-sectional study. PLoS One, 17(2), e0264037. doi: 10.1371/journal.pone.0264037
Type
Article
ISSN
1932-6203
Source
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0264037
DOI
10.1371/journal.pone.0264037
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/44214
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Ophthalmology (안과학)
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