두 종류의 삼체형 비구면 인공수정체 삽입 후 임상 결과의 비교
Comparative Study of Clinical Outcomes between 2 Types of 3-Piece Aspheric Intraocular Lenses
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목적: 두 종류의 삼체형 비구면 인공수정체 삽입 후 임상결과를 비교해보고자 하였다. 대상과 방법: 백내장 수술 후 두 가지 종류의 삼체형 비구면 인공수정체인 TECNIS ZA9003 (1군) 또는 HOYA PC-60AD (2군)을 삽입한각 30안, 28안을 대상으로 술 후 6개월째 나안 시력, 최대 교정 시력, 고위 수차 및 구면 수차를 포함한 안구 전체 및 안구 내 수차,변조 전달 기능을 평가하였고, 술 전 예측한 목표 굴절치와 수술 후 실제 구면 대응치의 차이를 비교하였다. 결과: 술 후 6개월에 평가한 나안 시력과 최대 교정 시력, 고위 수차 및 구면 수차를 포함한 안구 전체 및 안구 내 수차, 변조 전달기능은 두 군 간에 유의한 차이를 보이지 않았다. 두 인공 수정체 모두에서 술 전 목표 굴절치보다 수술 후 근시 쪽으로 맞추어 졌으며,두 군 간의 유의한 차이는 없었다(-0.26 vs. -0.42diopter, p=0.75). 결론: 새로 개발된 비구면 인공 수정체 HOYA PC-60AD는 기존에 임상 효과가 검증된 삼체형 비구면 인공 수정체인 TECNIS ZA9003와 유사하게 우수한 임상적 결과를 보였다.
Abstract
Purpose: To compare postoperative clinical outcomes between 2 types of 3-piece aspheric intraocular lenses. Methods: Uncorrected visual acuity, best corrected visual acuity, total ocular and internal ocular aberration including higher-order aberrations and spherical aberration, and modulation transfer functions were compared 6 months after cataract surgery between eyes implanted with TECNIS ZA9003 (group 1) and HOYA PC-60AD (group 2) in 30 and 28 eyes, respectively,In addition, the differences between postoperative spherical equivalent and preoperative target refractive errors were analyzed. Results: Clinical outcomes showed no significant differences between both groups including visual acuities, high order aberrations, and modulation transfer function. In both groups, postoperative refractive errors were more of a myopic state than preoperative estimated target refraction. The myopic refractive error between both groups showed no significant difference (-0.26 vs. -0.42 diopter, p = 0.75). Conclusions: The newly developed 3-piece aspheric IOL, HOYA PC-60AD shows similar clinical outcomes compared with the widely used 3-piece IOL TECNIS ZA9003.
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