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- W2374426377 abstract "Objective To assess the prevalence of blindness and low vision and correlation factors for them in aged people and more than 50 of Kunming.Methods Prevalence of blindness and low vision and correlation factors for them were studied in aged people and more than 50 of Kunming at June to August,2006.Multi-stage sampling was applied to randomly select 2 760 people.Basic information and ophthalmic examination were collected from these participants.The prevalence of blindness,severe visual impairment(SVI)and visual impairment(VI)were calculated based on pinhole visual acuity,WHO definition of visual injury(Definition A)and daily visual definition(Definition B).The correlation factors about blindness and low vision were analyzed using STATA 9.Results The response rate was 93.8% about 2 588 people.The prevalence of blindness was 3.2% with Definition A and 3.7% with Definition B,and was 2.3% with Definition A and 2.7% Definition B after age-sex adjustment,respectively.The prevalence of blindness for people aged from 50 to 59,from 60 to 69,from 70 to 79,80 and more than 80 were 0.5%,2.3%,6.5% and 11.0%,respectively,the prevalence of SVI were 0.6%,2.0%,4.5% and 10.1%,respectively,and the prevalence of VI were 2.1% 5.7%,14.6% and 28.2%,respectively.The prevalence of blindness for poor,middle-income people and wealthy people were 4.8%,2.8% and 2.7%,respectively,the prevalence of SVI were 2.7%,7.9% and 2.2%,respectively,and the prevalence of VI were 9.9%,13.0% and 8.5%,respectively.The prevalence of blindness for urban population and rural population were 1.6% and 4.5%,the prevalence of SVI were 1.4% and 3.6%,and the prevalence of VI were 6.0% and 10.4%.Statistical analysis showed that the prevalence of blindness,SVI and VI were significantly related to age,economic conditions and urban and rural distribution,not related to ethnicity or gender.Conclusion Age,economic conditions and urban and rural distribution are the main risk factors for prevalence of blindness and low vision in aged people of Kunming." @default.
- W2374426377 created "2016-06-24" @default.
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- W2374426377 date "2009-01-01" @default.
- W2374426377 modified "2023-09-23" @default.
- W2374426377 title "Prevalence of blindness and low vision and influencing factors for them in aged people of Kunming" @default.
- W2374426377 hasPublicationYear "2009" @default.
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