J Korean Ophthalmol Soc > Volume 49(1); 2008 > Article
Journal of the Korean Ophthalmological Society 2008;49(1):143-147.
DOI: https://doi.org/10.3341/jkos.2008.49.1.143    Published online January 31, 2008.
Intraoperative Adjustment in Horizontal Strabismus Surgery Using Corneal Reflex.
Jin Pyo Hong, Soo Lie Nah Rhiu, Yoon Hee Chang, Jee Ho Chang, Jong Bok Lee
1The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea. 491209@yumc.yonsei.ac.kr
2Department of Ophthalmology, Ajou University School of Medicine, Suwon, Korea.
3Department of Ophthalmology, College of Medicine, Soonchunhyang University, Bucheon, Korea.
각막반사를 이용한 수평사시 수술중 조정술
홍진표1ㆍ유수리나1ㆍ장윤희2ㆍ장지호3ㆍ이종복1
"The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine1, Seoul, Korea Department of Ophthalmology, Ajou University School of Medicine2, Suwon, Korea Department of Ophthalmology, College of Medicine, Soonchunhyang University3, Bucheon, Korea"
Correspondence:  Jin Pyo Hong, M.D.1
Abstract
PURPOSE
Using corneal reflex, we performed intraoperative adjustments in horizontal strabismus patients who had very poor visual acuities with good compliance and analyzed various aspects of intraoperative adjustment. METHODS: We retrospectively reviewed the records of patients with horizontal strabismus who underwent intraoperative adjustment using corneal reflex from May 1997 to April 2005. We evaluated various aspects of intraoperative adjustment. RESULTS: Fifty-five patients (40 exotropes, 15 esotropes) were included in our study. 11 of 40 extropes (27.5%) and 4 of 15 esotropes (26.7%) eventually underwent operations that were adjusted intraoperatively. Successful results were seen in 35 of 40 exotropes (87.5%) and 8 of 15 esotropes (53.3%). Fifteen patients (27.3%) received intraoperative adjustments, and of these patients 11 (20.0%) who had successful results would have experienced either undercorrection or overcorrection if their operation were performed as scheduled. Four patients underwent operation on one muscle rather than on the scheduled two muscles. All 4 of these patients (100%) would have experienced significantly large overcorrection had they not received intraoperative adjustment. CONCLUSIONS: Patients who would have had difficulty with fixation due to low visual acuity could avoid under- or overcorrection and are expected to have higher success rates because of intraoperative adjustment using corneal reflex.
Key Words: Corneal reflex;Horizontal strabismus;Intraoperative adjustment


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