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学科主题: 公共卫生
题名:
Prevalence of Blindness and Low Vision in a Rural Population in Northern China: Preliminary Results from a Population-Based Survey
作者: Li, Xuefei2; Zhou, Qiang3; Sun, Lanping4; Wang, Zhengang5; Han, Song1; Wu, Shaowei6; Wang, Ningli1
关键词: Blindness ; Eye ; Low vision ; Rural China ; Visual impairment
刊名: OPHTHALMIC EPIDEMIOLOGY
发表日期: 2012-10-01
DOI: 10.3109/09286586.2012.700081
卷: 19, 期:5, 页:272-277
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Ophthalmology
研究领域[WOS]: Ophthalmology
关键词[WOS]: VISUAL IMPAIRMENT ; EYE DISEASES ; ADULT-POPULATION ; CATARACT-SURGERY ; BEIJING EYE ; COUNTY ; EPIDEMIOLOGY ; URBAN
英文摘要:

Purpose: To investigate the prevalence of visual impairment in a rural northern Chinese population.

Methods: A cross-sectional, population-based survey was conducted in 2010 in Ci County, Hebei Province in northern China. Residents aged 7 years and older in Lucunying Town, located within Ci County, underwent presenting visual acuity (VA) testing at home; those with presenting VA <20/60 were invited to participate in further examination at the local hospital. Population-weighted prevalences of blindness and low vision were determined according to World Health Organization definitions.

Results: Among the 24,539 residents aged older than 7 years, 20,298 (82.7%) participated in the study, and 20,072 (98.9%) of these had valid VA data. The population-weighted prevalence rates of presenting bilateral blindness and bilateral low vision were 0.3% and 2.4% for the entire population, 0% and 0.5% for residents 7-39 years of age, and 0.8% and 6.4% for residents 40 years and older, respectively. Based on best-corrected VA, the corresponding prevalence rates of bilateral blindness and bilateral low vision were 0.2% and 1.4% for the entire population, 0% and 0.1% for residents 7-39 years, and 0.6% and 4.0% for residents 40 years and older, respectively. Prevalence rates of blindness and low vision were generally higher among women than men. Blindness and low vision increased with age among residents 40 years and older.

Conclusion: Our findings highlight the need for eye healthcare services for visual impairment in rural China.

语种: 英语
所属项目编号: 201002019
项目资助者: Ministry of Health of the People&prime ; s Republic of China
WOS记录号: WOS:000308951500003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/50522
Appears in Collections:北京大学公共卫生学院_期刊论文

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作者单位: 1.Capital Univ Med Sci, Beijing Tongren Hosp, Beijing Tongren Eye Ctr, Dept Ophthalmol, Beijing 100730, Peoples R China
2.Beijing Best Vis Eye Clin, Beijing, Peoples R China
3.Capital Univ Med Sci, Beijing Chaoyang Hosp, Dept Ophthalmol, Beijing 100730, Peoples R China
4.Hebei Handan Eye Hosp, Handan City, Hebei Province, Peoples R China
5.Hebei Cixian Hosp, Dept Ophthalmol, Ci Cty, Hebei Province, Peoples R China
6.Peking Univ, Hlth Sci Ctr, Sch Publ Hlth, Beijing 100871, Peoples R China

Recommended Citation:
Li, Xuefei,Zhou, Qiang,Sun, Lanping,et al. Prevalence of Blindness and Low Vision in a Rural Population in Northern China: Preliminary Results from a Population-Based Survey[J]. OPHTHALMIC EPIDEMIOLOGY,2012,19(5):272-277.
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