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논문 기본 정보

자료유형
학술저널
저자정보
Hyunah Lim (Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine) Joon Hyuck Jang (Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine) Sanghyu Nam (Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine) Koeun Lee (Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine) Jae Yong Kim (Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine) Hungwon Tchah (Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine) Hun Lee (Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine)
저널정보
대한안과학회 Korean Journal of Ophthalmology Korean Journal of Ophthalmology Vol.38 No.1
발행연도
2024.2
수록면
9 - 16 (8page)
DOI
10.3341/kjo.2023.0039

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초록· 키워드

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Purpose: We aimed to compare the accuracy of the intraocular lens (IOL) calculation formula using the standard keratometry (K) and total K (TK) during the femtosecond laser-assisted cataract surgery (FLACS) with a monofocal IOL with enhanced intermediate function using currently used formulas. Methods: A retrospective review of 125 eyes from 125 patients who had undergone FLACS with implantation of monofocal IOL with enhanced intermediate function was conducted. The predicted refractive power was calculated using an optical biometer (IOLmaster 700) according to the K and TK in the Barrett Universal II, SRK/T, Haigis, and Holladay 2 formulas. Absolute prediction error (APE) obtained from the actual postoperative refractive outcomes and the refractive error predicted in each formula was compared one month after surgery. Results: Mean APE ranged between 0.29 and 0.39 diopters (D) regardless of the calculation formula and the method of measuring corneal curvature. Significant differences were observed in the APE from the four formulas and the two keratometric measurements (p = 0.014). In a total of 125 eyes from 125 patients, the mean APE was lowest with the Barrett Universal II formula. Across all formulas, both the mean APE and the median APE tended to be lower for K than for TK, although there was no significant difference. Approximately 70% to 80% of the patients were included within 0.5 D of the refractive error across all formulas. The percentage of eyes within 0.5 D of APE outcomes was not statistically different between the K and TK data when using each formula. Conclusions: Keratometric measurements considering the poster corneal curvature did not show any additional advantages when implanting the monofocal IOL with enhanced intermediate function during the FLACS.

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