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Analysis of pre-operative factors affecting range of optimal vaulting after implantation of 12.6-mm V4c implantable collamer lens in myopic eyes

Authors
 Hun Lee  ;  David Sung Yong Kang  ;  Jin Young Choi  ;  Byoung Jin Ha  ;  Eung Kweon Kim  ;  Kyoung Yul Seo  ;  Tae-Im Kim 
Citation
 BMC Ophthalmology, Vol.18(1) : 163, 2018 
Journal Title
 BMC Ophthalmology 
Issue Date
2018
MeSH
Adult ; Female ; Follow-Up Studies ; Humans ; Intraocular/*methods Lens Implantation ; Male ; Middle Aged ; Myopia/physiopathology/*surgery ; *Phakic Intraocular Lenses ; Prosthesis Design ; Ocular *Refraction ; Retrospective Studies ; Treatment Outcome ; Visual Acuity ; Young Adult
Keywords
12.6-mm V4c implantable collamer lenses ; Anterior chamber depth ; Axial length ; Postoperative vaulting ; Preoperative pupil size
Abstract
BACKGROUND: To evaluate clinical factors affecting postoperative vaulting in eyes that had achieved optimal vaulting within the range of 250-750 mum following implantation of 12.6-mm V4c implantable collamer lenses (ICL). METHODS: A total of 236 eyes of 236 patients that had achieved optimal vaulting following implantation of a 12.6-mm V4c ICL were retrospectively analyzed. Associations between postoperative vaulting and age, preoperative anterior chamber depth (ACD), preoperative axial length (AL), preoperative white-to-white diameter, preoperative pupil size, preoperative sulcus-to-sulcus diameter, and preoperative manifest refraction spherical equivalent were investigated using simple regression, stepwise multiple regression, and multinomial logistic regression analyses. RESULTS: Mean central vaulting at the 6-month follow-up was 519.0 +/- 112.8 mum. Variables relevant to postoperative vaulting were, in order of influence, preoperative ACD (beta = 0.305, p < 0.001), preoperative pupil size (beta = 0.218, p < 0.001), and preoperative AL (beta = 0.171, p = 0.006). Low preoperative pupil size was associated with low optimal vaulting (250 to 450 mum), relative to that observed in the mid optimal vaulting group (451 to 550 mum) (odds ratio = 0.532, P = 0.021). Increasing preoperative ACD was associated with high optimal vaulting (551 and 750 mum), relative to that observed the mid optimal vaulting group (odds ratio = 6.340, P = 0.034). CONCLUSIONS: Myopic eyes with greater preoperative ACD, larger pupil size, and longer AL are predisposed to higher postoperative vaulting following 12.6-mm V4c ICL implantation. Therefore, the extremes of these parameters should be considered when choosing V4c ICL size.
Files in This Item:
T201802095.pdf Download
DOI
10.1186/s12886-018-0835-x
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실)
Yonsei Authors
김응권(Kim, Eung Kweon) ORCID logo https://orcid.org/0000-0002-1453-8042
김태임(Kim, Tae Im) ORCID logo https://orcid.org/0000-0001-6414-3842
서경률(Seo, Kyuong Yul) ORCID logo https://orcid.org/0000-0002-9855-1980
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/162655
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