이중초점인공수정체와 연속초점인공수정체의 임상결과 비교
Clinical Outcomes of Patients Implanted with Bifocal and Extended Depth of Focus Intraocular Lenses
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목적: 수정체유화술 후 이중초점인공수정체와 연속초점인공수정체를 양안에 동일 삽입한 환자와 양안에 혼합 삽입한 환자의 임상결과를 비교하였다. 대상과 방법: +3.25D 덧댐굴절력을 가지는 이중초점인공수정체를 양안에 삽입한 환자를 A군, 연속초점인공수정체를 양안에 삽입한환자를 B군, 양안에 각각의 인공수정체를 혼합 삽입한 환자를 C군으로 분류하였다. 각 군당 40안을 대상으로 하였으며, 술 후 3개월에 측정한 원거리, 중간거리 및 근거리 양안 시력과 굴절이상을 의무기록을 통해 후향적으로 분석하였다. 결과: A, B, C 세 군의 원거리 시력은 각각 0.04 ± 0.01, 0.05 ± 0.02, 0.04 ± 0.01로 통계적 유의성은 없었다. 중거리 시력은 각각0.16 ± 0.01, 0.10 ± 0.01, 0.10 ± 0.01로 A군이 나머지 두 군에 비해 낮은 시력을 보였으며 다른 두 군과 통계적 유의성을 보였다(A-B, p=0.031; A-C, p=0.018; B-C, p=1.000). 근거리 시력은 각각 0.05 ± 0.01, 0.24 ± 0.01, 0.13 ± 0.01이었으며 각 군 간에모두 통계적 유의성을 보였다(A-B, p<0.001; A-C, p=0.009; B-C, p=0.003). 결론: 원거리에서 각 군 간의 유의한 차이는 나타나지 않았으나 중거리에서는 B와 C군이 A군보다 우수한 양안 시력을 보였으며, 근거리에서는 A, C, B군 순서로 우수한 양안 시력을 보였다.
Abstract
Purpose: To compare the postoperative clinical outcomes after cataract surgery with implantation of bifocal intraocular lenses (IOLs) and extended depth of focus (EDOF) IOLs. Methods: A total of 60 patients were divided into three groups, and each group included 20 patients of 40 eyes: group A with a +3.25 D bifocal IOL in both eyes, group B with an EDOF IOL in both eyes, and group C with a +3.25 D bifocal in one eye and an EDOF IOL in the other eye. We retrospectively reviewed the patients’ medical charts to analyze their binocular uncorrected visual acuities (UCVAs; distant, intermediate, and near) and refraction at postoperative 3 months. Results: The binocular distant UCVAs were 0.04 ± 0.01, 0.05 ± 0.02, and 0.04 ± 0.01 in groups A, B, and C, respectively, and there were no differences between the groups (p > 0.05). The intermediate UCVAs were 0.16 ± 0.01, 0.10 ± 0.01, and 0.10 ± 0.01, respectively, and group A was the lowest (A–B, p = 0.031; A–C, p = 0.018; B–C, p = 1.000). The near UCVAs were 0.05 ± 0.01, 0.24 ± 0.01, and 0.13 ± 0.01, respectively, and there were significant differences between the groups (A–B, p < 0.001, A–C: p = 0.009; B–C, p = 0.003). Conclusions: There were no significant differences among the three groups in binocular distant UCVA, and groups B and C showed better intermediate UCVAs than group A. Near UCVA was ranked in the order of groups A, C, B.
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