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Clinical outcomes of immediate transepithelial photorefractive keratectomy after suction loss during small-incision lenticule extraction

Authors
 Byunghoon Chung  ;  David Sung Yong Kang  ;  Joon Hyun Kim  ;  Samuel Arba-Mosquera  ;  Seung Ki Jean  ;  Ikhyun Jun  ;  Eung Kweon Kim  ;  Kyoung Yul Seo  ;  Kang Yoon Kim  ;  Tae-Im Kim 
Citation
 JOURNAL OF CATARACT AND REFRACTIVE SURGERY, Vol.46(5) : 756-761, 2020-05 
Journal Title
 JOURNAL OF CATARACT AND REFRACTIVE SURGERY 
ISSN
 0886-3350 
Issue Date
2020-05
Abstract
Purpose: To investigate the surgical outcomes of immediate transepithelial photorefractive keratectomy (PRK) after suction loss during small-incision lenticule extraction (SMILE) and compare the outcomes with those of uneventful SMILE. Setting: Eyereum Eye Clinic, Seoul, South Korea. Design: Retrospective case series. Methods: This study included 24 eyes of 12 patients who had uneventful SMILE in one eye and immediate transepithelial PRK after the development of suction loss during the lenticule cut in the contralateral eye. Visual acuity assessments, manifest refraction, and measurements of corneal wavefront aberrations were performed preoperatively and 6 months postoperatively. Results: At 6 months, the mean uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), and spherical equivalent were -0.04 ± 0.05, -0.09 ± 0.05, and -0.02 ± 0.24 diopter (D), respectively, in the transepithelial PRK group and -0.10 ± 0.07, -0.06 ± 0.07, and -0.04 ± 0.17 D, respectively (P = .036, P = .109, and P = .671, respectively), in the uneventful SMILE group. The 6-month Snellen UDVA was better than 20/20 for 11 (92%) and 12 (100%) of eyes in the transepithelial PRK and uneventful SMILE groups, respectively. All 24 eyes showed unchanged or improved CDVA and a significant increase in the total corneal higher-order aberrations postoperatively. Corneal spherical aberrations exhibited a significant postoperative increase only in the transepithelial PRK group. Conclusions: Immediate transepithelial PRK after early suction loss during SMILE might be safe and effective, with refractive outcomes that are comparable with those after uneventful SMILE.
Full Text
https://journals.lww.com/jcrs/Fulltext/2020/05000/Clinical_outcomes_of_immediate_transepithelial.17.aspx
DOI
10.1097/j.jcrs.0000000000000123
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kang Yoon(김강윤)
Kim, Eung Kweon(김응권) ORCID logo https://orcid.org/0000-0002-1453-8042
Kim, Tae Im(김태임) ORCID logo https://orcid.org/0000-0001-6414-3842
Seo, Kyoung Yul(서경률) ORCID logo https://orcid.org/0000-0002-9855-1980
Jun, Ik Hyun(전익현) ORCID logo https://orcid.org/0000-0002-2160-1679
Chung, Byung Hoon(정병훈)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179278
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