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Chinese Journal of Ophthalmologic Medicine(Electronic Edition) ›› 2018, Vol. 08 ›› Issue (04): 157-162. doi: 10.3877/cma.j.issn.2095-2007.2018.04.003

Special Issue:

• Original Article • Previous Articles     Next Articles

Epidemiological investigation of age-related macular degeneration of over 50 years old Tuijia ethnic group in Chongqing rural district

Hao Wang1, Xiyuan Zhou1,(), Su Liu1, Shengchun Liu1, Mingxing Wu1, Xiaojing Xiong1, Bianwen Zhang1   

  1. 1. Departartment of Ophthalmology, Second Affiliated Hosipital of Chongqing Medical University, Chongqing 400010, China
  • Received:2018-06-26 Online:2018-08-28 Published:2018-08-28
  • Contact: Xiyuan Zhou
  • About author:
    Corresponding authuo: Zhou Xiyuan, Email:

Abstract:

Objective

To understand the prevalence and associated risk factors of age-related macular degeneration (AMD) of over 50 years old Tuijia ethnic group in Chongqing Qianjiang JiuYang district.

Methods

By inquiring the Tujia and Miao region over 50 years old people with randomly cluster sampling method to investigate epidemiological age-related macular degeneration.Site investigation includes detailed questionnaires, general physical examination, routine examination of ophthalmology, direct fundus photo, using international AMD grading standard specified age-related macular degeneration diagnostic. And analyze data.

Results

by using SPSS21.0 statistical software.results: there is a total population of 2556 of over 50 years old Tujia people being investigated in this survey. 2122 of them are actually completed the check, the response rate was 83.02%. Including a total of 739 (34.8%) of men and 1383 (65.2%) of women. 200 (338 eyes) of the AMD patients, the total prevalence rate was 9.4%, 7.0% of men and 10.7% of women; By age from 50 to 59, 60 to 69 years old, 70 to79 years old, and over 80 years old prevalence was 5.3%, 9.4%, 13%, 7.5%, respectively. This study found that with the increase of age, the higher incidence of AMD (χ2=18.14, P<0.05); With the increase of sun exposure, AMD prevalence increased (χ2=11.18, P<0.05), smokers was higher than non-smokers (χ2=9.27, P<0.05); History of high blood pressure, especially high systolic blood pressure patients, the higher prevalence of AMD was found (χ2=7.80, P<0.05); A history of alar Nu head AMD also showed a higher prevalence (χ2=6.1, P<0.05).

Conclusion

The patients od AMD of over 50 years of age Tujia ethnic people in southeast part of Chongqing, the prevalence is 9.4%; Along with the age increasing, the prevalence rate increased significantly; With the extension of the daily sun exposure time, AMD prevalence rate increased significantly. Chongqing Tujia ethnic people in southwest China AMD risk factors including gender, age, smoking, hypertension, systolic blood pressure, sun exposure and history of pterygium.

Key words: Age-related macular degeneration, Epidemiology, Risk factors.

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