J Korean Ophthalmol Soc > Volume 58(2); 2017 > Article
Journal of the Korean Ophthalmological Society 2017;58(2):140-146.
DOI: https://doi.org/10.3341/jkos.2017.58.2.140    Published online February 15, 2017.
Clinical Outcomes of Cataract Surgery Using Nasal Clear Corneal Incision: Safety and Efficacy.
Minkyung Song, Jin Hyoung Park, Jae Yong Kim, Myoung Joon Kim, Hungwon Tchah
1Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. hwtchah@amc.seoul.kr
2Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
비측 투명각막절개를 이용한 백내장수술의 임상결과: 안전성과 효용성
송민경1⋅박진형2⋅김재용1⋅김명준1⋅차흥원1
울산대학교 의과대학 서울아산병원 안과학교실1, 울산대학교 의과대학 서울아산병원 아산생명과학연구원2
Correspondence:  Hungwon Tchah,
Email: hwtchah@amc.seoul.kr
Received: 6 October 2016   • Revised: 7 December 2016   • Accepted: 26 January 2016
Abstract
PURPOSE
To compare the safety and efficacy of cataract surgery using nasal clear corneal incision (CCI) versus superior or temporal CCIs in Korean patients. METHODS: A retrospective comparative study was conducted. Patients underwent cataract surgery using CCI performed by 3 surgeons between January 2012 and December 2013.The patients were divided into the following 3 groups based on CCI direction: nasal CCIs (group I), superior CCIs (Group II), and temporal CCIs (Group III). To assess usability, surgically induced astigmatism (SIA), best-corrected visual acuity (BCVA), intraocular pressure (IOP), keratometry reading, and refractive errors at baseline and 1 month after surgery were compared. Operation times were compared between groups. To assess safety, intraoperative complications and wound stability were compared. RESULTS: A total of 1,374 eyes (Group I, 283 eyes; Group II, 587 eyes; Group III, 504 eyes) were included in the present study. The SIA was not significantly different among the 3 groups. The postoperative mean BCVA, IOP, keratometry reading and spherical equivalent as well as the mean operation times were not significantly different between the 3 groups (14.04 ± 3.79 vs. 13.80 ± 3.27 vs. 13.80 ± 3.70; p = 0.473). The rate of intraocular complications and incidence of corneal wound suture were not significantly different between the 3 groups (1.7% vs. 3.2% vs. 2.3%; p = 0.378). CONCLUSIONS: The safety and efficacy of cataract surgery using nasal CCI were not significantly different compared with the use of temporal or superior CCI. Our results showed that cataract surgery using nasal CCI can be performed safely and conveniently in Korean patients.
Key Words: Cataract;Nasal incision;Safety;Usability


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