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題 名 | Annual Database of Intraocular Lens Power in a Taiwanese Population=臺灣人白內障人工水晶體度數資料年報 |
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作 者 | 葉龍坤; 譚欣媛; 黃朝銘; 蔡夙潁; 蔡瑞芳; | 書刊名 | 長庚醫學 |
卷 期 | 27:1 2004.01[民93.01] |
頁 次 | 頁44-49 |
分類號 | 416.744 |
關鍵詞 | 臺灣; 白內障手術; 人工水晶體; Intraocular lenses; Cataract surgery; Taiwan; |
語 文 | 英文(English) |
中文摘要 | 背景:由近視盛行的臺灣人之白內障人工水晶體度數去分析推論。 方法:在1999年7月至2000年6月在長庚醫院收集3068個白內幾手術的病例不同的年齡層以單因子變異數分析和多元迴歸分析去分析人工水晶體度數之分佈和年齡、性別之相關性。 結果:使用SRK//II公式,平均人工水晶體度數為20.0±5.1度,男性平均人工水晶體度數為19.8±5.1度,女性平均人工水晶體度數為20.1±5.1度。單因子變異數分析顯示不同的年齡層人工水晶體度數之分佈有顯著之差別,特別是40歲以上的人工水晶體度數隨年齡增加而增加,而40歲以下的人工水晶體度數隨年齡增加而減少。多元迴歸分析顯示年齡與人工水晶體度數有關,而性別與人工水晶體度數較無關。 結論:我們提供近視盛行的臺灣人之白內障人工水晶體度數分析資料,可以作為橫斷面研究近視之參考。 |
英文摘要 | Backgorund: To derive a unique database of intraocular lens (IOL) power for Taiwanese, an ethnic group with a strikingly high prevalence of myopia. Methods: A retrospective series of 306 cases visiting Chang Gung Memorial hospital, Linkou for cataract removal and posterior chamber IOL implantation between July 1999 and June 2000 was reviewed. The distribution of IOL powers and a possible age-correspondence was analyzed by one-way analysis of variance (ANOVA) test and multiple regression. Results: Using the SRK/II linear regression formula, with an “A” constant of 118.5, the mean predicted IOL power required for emmetropia was 20.0±5.1 diopter (D). The mean IOL power for males was 19.8±5.1 D. The mean IOL power for females was 20.1±5.1 D. Moreover, ANOVA results documented a statistically significant tendency of age-dependence for IOL power distribution in the 3 groups (male, female, and male and female; F=24.53, p<0.05; F=16.39, p<0.05; F=40.54; p<0.05, respectively). In particular, it statistically significantly differed among decades over 40 years indicating that IOL power increased with age. However, the implanted IOL power decreased with age in patients younger than 40 years old. Multiple regression analysis showed that age, but not gender, was statistically significantly correlated to the IOL power distribution (p<0.05). Conclusion: We provide a unique database of IOL power for cataract surgeries in Taiwan. An age-related correspondence of the database of IOL powers was also documented in this study, which can therefore be regarded further cross-sectional evidence for the age-dependence prevalence of myopia. |
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