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Comparing Dry Eye Disease After Small Incision Lenticule Extraction and Laser Subepithelial Keratomileusis

Authors
 Byunghoon Chung  ;  Moonjung Choi  ;  Keun Young Lee  ;  Eung Kweon Kim  ;  Kyoung Yul Seo  ;  Ikhyun Jun  ;  Kang Yoon Kim  ;  Tae-Im Kim 
Citation
 CORNEA, Vol.39(4) : 501-507, 2020-04 
Journal Title
 CORNEA 
ISSN
 0277-3740 
Issue Date
2020-04
Abstract
Purpose: To compare dry eye disease parameters between small incision lenticule extraction (SMILE) and laser subepithelial keratomileusis (LASEK). Methods: This prospective, nonrandomized study included 39 eyes of 39 patients who underwent SMILE (n = 19) and LASEK (n = 20). Dry eye disease parameters included Ocular Surface Disease Index (OSDI), tear breakup time, Schirmer I test (SIT) value, corneal esthesiometry result, tear meniscus area, meibomian gland evaluation result, lipid layer thickness, and blink rate. Evaluations were performed before surgery and at 1 and 6 months after surgery. Results: Compared with the LASEK group, the SMILE group showed lower corneal esthesiometry values at 1 month and higher OSDI scores and lower SIT values at 6 months after surgery. The SMILE group showed significantly higher OSDI scores at 1 and 6 months after surgery than before, but significantly lower OSDI scores at 6 months than at 1 month after surgery. Both groups showed significantly decreased corneal sensitivity at 1 month after surgery, which increased to the preoperative level 6 months after surgery. The change in OSDI scores at 1 month after surgery positively correlated with changes in the total and partial blink rates, whereas the change in corneal sensitivity at 1 month after surgery negatively correlated with the total and partial blink rates. Conclusions: Both SMILE and LASEK groups showed temporary decreases in corneal sensitivity, which recovered to baseline levels. Although subjective symptoms worsened after SMILE, SIT values improved after LASEK. Compared with SMILE, LASEK yielded better results regarding subjective symptoms, tear production, and corneal sensitivity.
Full Text
https://journals.lww.com/corneajrnl/Fulltext/2020/04000/Comparing_Dry_Eye_Disease_After_Small_Incision.17.aspx
DOI
10.1097/ICO.0000000000002240
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)
Choi, Moonjung(최문정)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179159
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