동축 미세절개 백내장 수술 후 두 비구면 인공수정체 삽입안에서의 굴절률과 시기능 비교
Comparison of Visual Function Between Two Aspheric Intraocular Lenses After Microcoaxial Cataract Surgery
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목적: 동축 미세절개 백내장 수술 후 AcrySof IQ와 Akreos MI60 인공수정체를 삽입하여 술 후 굴절률과 시기능을 비교하였다. 대상과 방법: 동축 미세절개 백내장 수술 및 인공수정체삽입술을 시행받은 60안(AcrySof IQ, 30안; Akreos MI60, 30안)에서 수술 전과 후 1주, 1개월, 3개월째 시력, 구면대응치, 안압, 각막두께, 각막내피세포수, 굴절률예측도, 고위수차 및 대비감도를 측정하였고, 만족도와 눈부심 등을 전향적으로 조사하였다. 결과: 시력, 구면대응치, 안압, 각막두께, 각막내피세포수는 두 군간에 차이를 보이지 않았고(p>0.05), 굴절률예측도에 있어, AcrySof IQ에서 -0.11±0.67 D, Akreos MI60에서 -0.05±0.69 D로 두 군간에 유의한 차이는 없었으며(p=0.59), 술 후 3개월까지 안정적인양상을 보였다. 술 후 고위수차와 각 공간주파수에서의 대비감도, 만족도와 눈부심 역시 통계적으로 유의하지 않았다(p>0.05). 결론: 동축 미세절개 백내장 수술 후 삽입한 AcrySof IQ와 Akreos MI60 사이에 시기능과 술 후 굴절률의 변화에 있어서 유의한 차이는보이지 않았다.
Abstract
Purpose: To compare the visual function and postoperative refraction between two aspheric intraocular lenses (IOLs) after microcoaxial cataract surgery. Methods: A prospective analysis of 60 eyes of 58 patients who had undergone microcoaxial phacoemulsification and implantation of aspheric IOLs (AcrySof IQ, 30 eyes; Akreos MI60, 30 eyes) was performed. The best corrected visual acuity (BCVA), spherical equivalent, intraocular pressure (IOP), corneal thickness, endothelial cell density (ECD), predictability of postoperative spherical equivalent, higher order aberrations, contrast sensitivity test, satisfaction, and glare were evaluated during the follow-up period of three months. Results: There were no significant differences in BCVA, spherical equivalent, IOP, corneal thickness, or ECD (p>0.05). The predictability of the postoperative spherical equivalent in the AcrySof IQ and Akreos MI60 IOL groups was not significantly different (p=0.59),and the two groups showed good anterior-posterior stability during the postoperative three months. There were no significant differences in higher order aberrations, contrast sensitivity test, satisfaction or glare (p>0.05). Conclusions: Both AcrySof IQ and Akreos MI60 implantation groups showed similar visual functions and postoperative spherical equivalents after microcoaxial cataract surgery.
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