https://scholars.lib.ntu.edu.tw/handle/123456789/629532
標題: | Visual impairment among the middle-aged and elderly population in Chin-Shan Township, Taipei County | 作者: | Lin, L. L.K. Shih, Y. F. TZYY-CHANG HO Wang, T. H. Chen, C. J. Hung, P. T. |
關鍵字: | Cataract | Corneal disease | Glaucoma | Retinopathy | Visual impairment | 公開日期: | 1-一月-2001 | 卷: | 13 | 期: | 2 | 來源出版物: | Tzu Chi Medical Journal | 摘要: | Objective: To investigate the status and causes of visual impairment in middle-aged (40 to 65 years old) and elderly (>65 years old) people in Taiwan. Materials and Methods: A total of 3901 residents of Chin-Shan Township, Taipei County, in 1992 and 2817 residents in 1994 received visual acuity and autorefractor examinations. If visual acuity was less than 20/50, further ocular examinations were performed. A total of 1210 subjects in 1992 and 884 subjects in 1994 received a complete ophthalmological exam, including slit-lamp examination, intraocular pressure, cycloplegic refraction, funduscopy examination, and biometric axial length, Results: The most frequent cause of low vision (corrected visual acuity between 20/50 and 20/200) for the middle-aged and aged population was cataract (70%) and related diseases. The second most frequent cause was retinopathy (15%). Corneal diseases, glaucoma and other factors comprised the remaining 15% of cases. Cataract was also the main cause of blindness (corrected visual acuity less than 20/200) in the middle-aged and aged population (60%). Retinopathy (20%) was the second most frequent cause of blindness in both groups. Conclusions: Cataract was the most frequent cause of visual impairment and retinopathy was the second most frequent cause for the middle-aged and aged population of Chin-Shan Xiang, Taipei County, in 1992 and 1994. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/629532 | ISSN: | 10163190 |
顯示於: | 醫學系 |
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