조절인공수정체를 삽입한 백내장수술 후 근거리 시력에 영향을 미치는 술 전 예후 인자
The Prognostic Factors that Influence in Near Vision after Accommodative Intraocular Lens Implantation
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목적: 조절인공수정체(WIOL-CFⓇ, Gelmed international, Kamenne Zehrovice, Czech Republic) 삽입술 후 근거리 나안 시력 예후에미치는 술 전 인자를 평가하였다. 대상과 방법: 2009년 6월부터 2010년 3월까지 수정체유화술과 WIOL-CFⓇ 삽입술을 받고, 12개월 이상 추적관찰한 27명(46안)을 대상으로 하였다. 술 전 요인 분석을 위해 수술 시 연령, 성별, 수술 전 원거리 및 근거리 시력, 안압, 구면렌즈 대응치, 난시의 양, 안축장을측정하였고, 이를 변수로 하여 술 후 6개월과 12개월의 근거리 나안 시력에 대해 회귀분석을 시행하였다. 결과: 각각의 술 전 요인들에 대한 선형회귀분석을 통하여 연령이 6개월(p＜0.001) 및 12개월(p＜0.001)의 근거리 나안 시력에 영향을주는 유의한 변수임을 확인하였다. 다중회귀분석에서도 연령이 6개월(p=0.021) 및 12개월(p=0.042)의 근거리 나안 시력에 영향을 주는 유의한 변수인 것으로 나타났다. 결론: 조절인공수정체(WIOL-CFⓇ)를 이용한 백내장수술에서 환자의 연령은 근거리 나안 시력의 중요한 예후 인자로 생각된다.
Abstract
Purpose: To evaluate the prognostic factors to determine the uncorrected near visual acuity of patients who undergone routine cataract surgery and WIOL-CF® (Gelmed international, Kamenne Zehrovice, Czech Republic) accommodative intraocular lens implantation. Methods: This study evaluated 46 eyes of 27 patients who had undergone routine cataract surgery and WIOL-CF® accommodative IOL implantation. We checked visual acuities at near and distant before surgery. And we also checked age and gender of patients and manifest refraction, corneal astigmatism and axial length of eyes at that time. We analyzed association between these factors and uncorrected near visual acuity at postoperative 6 and 12 month. Results: Univariate linear regression analyses between uncorrected near visual acuity and preoperative patients characteristics suggested that the age of patients was the only statistically significant independent variable on uncorrected near visual acuity at postoperative 6 (p < 0.001) and 12 (p < 0.001) month. Multiple regression analyses also revealed the same results (p = 0.021 at postoperative 6 month and p = 0.042 at postoperative 12 month). Conclusions: This study suggest that the age is the one of the most important prognostic factors of postoperative uncorrected near visual acuity after WIOL-CF® accommodative intraocular lens implantation.
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