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Relationship between motor alignment at postoperative day 1 and at year 1 after symmetric and asymmetric surgery in intermittent exotropia

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Author(s)
Se-Youp LeeYoung Chun Lee
Keimyung Author(s)
Lee, Se Youp
Department
Dept. of Ophthalmology (안과학)
Journal Title
Japanese Journal of Ophthalmology
Issued Date
2001
Volume
45
Issue
2
Keyword
Bilateral lateral rectus recessionintermittent exotropiaunilateral lateral rectus recession-medial rectus resection
Abstract
Purpose: To evaluate the relationship between the motor alignment at postoperative day 1 and at year 1 following bilateral lateral rectus recession (BLR, symmetric surgery) and unilateral lateral rectus recession-medial rectus resection (R&R, asymmetric surgery) for the treatment of intermittent exotropia, X(T).

Methods: Forty-six patients with basic or pseudo-divergence excess type of X(T) underwent BLR and 57 patients underwent R&R. The motor alignment at postoperative day 1 was classified as overcorrected by 11–20 prism diopters (PD), overcorrected by 1–10 PD, orthotropic, or undercorrected by 1–10 PD of exotropia.

Results: There was a statistically significant relationship between the alignment at postoperative day 1 and at year 1 following both R&R and BLR surgery (r = 0.74, r = 0.51, respectively, P < .05). Patients overcorrected by 1–20 PD had a significantly higher success rate than those undercorrected by 1–10 PD on postoperative day 1 (P < .05). For R&R, a postoperative day 1 alignment of 1–10 PD resulted in the highest success rate of 73.7%. For BLR, a postoperative day 1 alignment of 11–20 PD showed the highest success rate of 76.9%. There were no significant differences in the success, undercorrection and overcorrection rates between the two surgical procedures after a 1-year postoperative period.

Conclusions: The alignment at postoperative day 1 can be a predictive factor of the surgical outcome in X(T). A postoperative day 1 overcorrection of 11–20 PD following BLR surgery and an overcorrection of 1–10 PD following R&R can lead to good results.
Keimyung Author(s)(Kor)
이세엽
Publisher
School of Medicine
Citation
Se-Youp Lee and Young Chun Lee. (2001). Relationship between motor alignment at postoperative day 1 and at year 1 after symmetric and asymmetric surgery in intermittent exotropia. Japanese Journal of Ophthalmology, 45(2), 167–171. doi: 10.1016/S0021-5155(00)00351-8
Type
Article
ISSN
0021-5155
Source
https://linkinghub.elsevier.com/retrieve/pii/S0021515500003518
DOI
10.1016/S0021-5155(00)00351-8
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/33914
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Ophthalmology (안과학)
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