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Cataract Surgical Coverage and Visual Acuity Outcomes in Rural China in 2014 and Comparisons With the 2006 China Nine-Province Survey

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机构: [1]Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, Beijing, China [2]Rehabilitation Administration Department, National Institute of Hospital Administration, Beijing, China [3]National Eye Institute, National Institutes of Health, Bethesda, Maryland, USA [4]Affiliated Hospital, Nantong University, Nantong, China [5]State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China [6]First Clinical Hospital, Harbin Medical University, Harbin, China [7]Hebei Eye Hospital, Xingtai, China [8]Ningxia Eye Hospital, Ningxia People’s Hospital, Yinchuan, China [9]The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, and Chongqing Eye Institute, Chongqing, China [10]Affiliated Eye Hospital, Nanchang University, Nanchang, China [11]Yunnan Medical University, Kunming, China [12]Beijing Hospital of Traditional Chinese Medicine, Beijing, China [13]Yongchuan Hospital of Chongqing Medical University, Chongquing, China
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PURPOSE: To estimate surgical coverage of cataract related vision impairment and blindness and visual acuity outcomes in operated eyes in rural China in 2014 with comparisons with the 2006 Nine-Province Survey. DESIGN: Population-based, cross-sectional study. METHODS: Geographical cluster sampling was used in randomly selecting residents from a rural county or semi-rural district within 9 provinces: Beijing, Jiangsu, Guangdong, Heilongjiang, Jiangxi, Hebei, Ningxia, Chongqing, and Yunnan. Persons 50 years of age or older were enumerated through household visits and invited to examination sites for visual acuity testing and ocular examination. Surgical coverage and visual acuity outcomes in 2014 were compared with data from the 2006 survey. RESULTS: Among 51 310 examined persons, surgical coverage among those presenting with cataract-related severe visual impairment or blindness ( < 20/200) was 62.7% overall, ranging from 43.4% to 83.6% across the 9 study sites. Unoperated cataract was significantly associated with older age, female sex, and lack of education. Presenting visual acuity outcomes >= 20/63 in cataract-operated eyes was 62.2% overall, ranging from 51.6% to 78.6%, and 75.2%, ranging from 67.1% to 81.5%, with best-corrected visual acuity. As a proportional percentage of cataract surgical coverage in 2006, overall surgical coverage increased by 81.4% during the 2006-2014 interval, and by 110% when adjusted for visual acuity outcomes >= 20/63. CONCLUSIONS: Cataract blindness control is well underway in rural China, as evidenced by significant increases in cataract surgical coverage and improvement in visual acuity outcomes during the 2006-2014 interval. Further efforts are needed to provide greater access to affordable cataract surgery for the elderly, female persons, and those with little or no education. (C) 2018 Elsevier Inc. All rights reserved.)

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出版当年[2018]版:
大类 | 2 区 医学
小类 | 2 区 眼科学
最新[2023]版:
大类 | 1 区 医学
小类 | 1 区 眼科学
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出版当年[2017]版:
Q1 OPHTHALMOLOGY
最新[2023]版:
Q1 OPHTHALMOLOGY

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第一作者机构: [1]Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, Beijing, China [*1]Peking Union Medical College Hospital, 1 Shuai Fu Yuan, Beijing 100730, China
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通讯机构: [1]Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, Beijing, China [*1]Peking Union Medical College Hospital, 1 Shuai Fu Yuan, Beijing 100730, China
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