Visual acuity of urban and rural adults in a coastal province of southern China: the Fujian Eye Study
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Xiao-Xin Li. Eye Institute and Affiliated Xiamen Eye Center of Xiamen University, Xiahe Road 336, Siming District, Xiamen 361003, Fujian Province, China; Peking University People’s Hospital, Xizhimennei Street 44, Xicheng District, Beijing 100044, China. drlixiaoxin@163.com; Yong-Hua Hu. Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Centre, Xueyuan Road 38, Haidian District, Beijing 100191, China. yhhu@bjmu.edu.cn

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Supported by the National Natural Science Foundation of China (No.81870672); National Natural Science Foundation of China Youth Fund (No.81900881); Natural Science Foundation of Youth Innovation Program of Fujian Province (No.2019D007; No.2020D028); Xiamen Key Medical and Health Project (No.3502Z20191101); Medical and Healthcare Guiding Program of Xiamen City (No.3502Z20189018); Xiamen Science and Technology Planning Project (No.3502Z20184023).

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    Abstract:

    AIM: To evaluate the vision status and sociodemographic associations of visual acuity (VA) in an urban and rural population in a coastal province of southern China. METHODS: The Fujian Eye Study, a population-based cross-sectional study, was performed from May 2018 to October 2019. Totally 10 044 participants over 50 years old from all nine cities in Fujian Province were enrolled, and underwent a questionnaire and a series of standard physical and ocular examinations. VA was measured by E Standard Logarithmic Visual Acuity Chart (GB 11533-1989). Data was double entered with EpiData v3.1 for data collation and Stata/SE statistical software v15.1 was used to analyze the data. RESULTS: Totally 8211 (81.8%) participants were finally included and were divided into urban populations (4678 subjects), rural populations (n=3533), coastal residents (n=6434), and inland residents (1777 subjects); 4836 participants were female. The mean age was 64.39±8.87y (median 64y; range 50-98y). The mean presenting VA was 0.61±0.30 (0.23±0.27 logMAR), and the mean best corrected visual acuity (BCVA) was 0.82±0.28 (0.08±0.19 logMAR). In the multiple regression analysis, BCVA was significantly correlated with several socioeconomic and biologic factors, including age (P<0.001), education level (P<0.001), income (P=0.005), rural residency (P<0.001), inland residency (P=0.001) and refractive error (P<0.001), while sex (P=0.194) was independent with BCVA. CONCLUSION: Accessible services and eye health policies targeting the elderly, people with high myopia and people living in rural or inland areas are needed.

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Yang Li, Qin-Rui Hu, Xiao-Xin Li, et al. Visual acuity of urban and rural adults in a coastal province of southern China: the Fujian Eye Study. Int J Ophthalmol, 2022,15(7):1157-1164

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Publication History
  • Received:July 05,2021
  • Revised:January 26,2022
  • Adopted:
  • Online: June 30,2022
  • Published: