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간헐외사시에서 근시 진행과 수술 후 외편위 재발과의 상관관계

Other Titles
 Myopic Progression and Postoperative Exodrift in Patients with Intermittent Exotropia 
Authors
 김민호  ;  정승아  ;  최아영  ;  이종복 
Citation
 JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY, Vol.53(11) : 1663-1668, 2012 
Journal Title
JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY(대한안과학회지)
ISSN
 0378-6471 
Issue Date
2012
Keywords
Bilateral lateral rectus muscle recession ; Exodrift ; Intermittent exotropia ; Myopic progression ; Ocular elongation
Abstract
Purpose : To investigate the relationship between myopic progression and exodrift after surgery in patients with intermittent exotropia (X[T]).

Methods : Eighty-five patients who underwent bilateral lateral rectus recession for X(T) and had a follow-up of more than 1 year were recruited for the present study. Progression of myopia was determined by measuring the difference in spherical equivalent of both eyes between the initial and final refraction divided by the total follow-up time per patient. Postoperative exodrift was calculated by subtracting the deviation at postoperative 6 weeks from the deviation at the last follow-up, and the deviation at postoperative day 1 from the deviation at postoperative 6 weeks. Linear regression was conducted to determine the relationship between postoperative exodrift and myopic progression. The risk factors for recurrence, defined as exodeviation of 10 prism diopters or more at the final examination, were also analyzed.

Results : Sixty-eight (80.0%) subjects showed myopic progression of -0.50 diopters or more, and 47 (55.3%) had recurrence of exotropia during the mean follow-up period of 37.9 months. Patients with myopic progression showed more exotropic drift after postoperative 6 weeks than the patients without myopic progression (p < 0.01). Immediate postoperative overcorrection, oblique dysfunction, and a short follow-up period were associated with a low recurrence, whereas preoperative angle of exodeviation, sensory status, and age at the time of surgery were not.

Conclusions : In patients who underwent bilateral lateral rectus recession for X(T), a greater myopic progression was related with greater postoperative exodrift. As the development of myopia was observed to be axial in nature, the results from the present study raises the possibility that ocular elongation may reduce the effect of recession.
Files in This Item:
T201206241.pdf Download
DOI
10.3341/jkos.2012.53.11.1663
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Jong Bok(이종복)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/158283
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