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Femtosecond laser-assisted cataract surgery after corneal refractive surgery

 Hyunmin Ahn  ;  Ikhyun Jun  ;  Kyoung Yul Seo  ;  Eung Kweon Kim  ;  Tae-Im Kim 
 SCIENTIFIC REPORTS, Vol.12(1) : 4263, 2022-03 
Journal Title
Issue Date
Astigmatism* / complications ; Astigmatism* / surgery ; Cataract Extraction* / adverse effects ; Cataract Extraction* / methods ; Cataract* / complications ; Cornea / surgery ; Humans ; Laser Therapy* / adverse effects ; Laser Therapy* / methods ; Lasers ; Phacoemulsification* / methods ; Retrospective Studies
Cataract is the leading cause of blindness worldwide, and advanced cataract techniques such as femtosecond laser-assisted cataract surgery (FLACS) have been commercially available. Corneal refractive surgery (CRS) is one of the most popular surgeries for the correction of refractive errors. CRS changes the cornea not only anatomically but also pathophysiologically. However, there has been no clinical research analyzing the refractive and safety outcomes of FLACS after CRS. The aim of this retrospective chart review and comparative study is to evaluate the effect and safety of FLACS after CRS comparing with conventional PCS. Participants with a previous CRS history who underwent FLACS or conventional PCS were included in this study. The visual outcomes and the refractive outcomes including refractive, corneal, and ocular residual astigmatism were compared. The safety outcomes were then studied intraoperatively and postoperatively. A total of 102 patients with age-related cataract were enrolled. At 3 months postoperatively, UCVA, BCVA, and predictive error were not significantly different between the FLACS and conventional PCS groups. Reduction of refractive astigmatism was higher in FLACS. Postoperative ORA was significant lower in FLACS. Reduction of ORA was higher in FLACS. The intraoperative and postoperative complications were also not significantly different between the two groups. FLACS could effectively change refractive astigmatism and ORA; without more complications than conventional PCS. FLACS' competitive edge in postoperative ORA may provide better visual quality than conventional PCS in patients with a previous history of CRS.
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1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
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
Ahn, Hyunmin(안현민)
Jun, Ik Hyun(전익현) ORCID logo https://orcid.org/0000-0002-2160-1679
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