The Prevalence and Causes of Visual Impairment in Type 2 Diabetes Mellitus in Northeast China
- Liang Wen
- Yu Wang
- Zhong Lin
- Feng Hua Wang
- Xiao Xia Ding
- Dong Li
- Kemi Feng
- Yuan Bo Liang
- Dong Xiao Zhang
- Yu Dou
- Gang Zhai
DOIAbstract
Purpose. To evaluate the prevalence and causes of visual impairment in a group of community people with type 2 diabetes mellitus (T2DM) in Northeast China. Methods. Population-based cross-sectional survey. Patients diagnosed with T2DM residing in 15 communities in Fushun, Northeast China, were enrolled between July 2012 and May 2013. All participants underwent an extensive and standardized eye examination (visual acuity testing, slit-lamp, and fundus examination). Low vision was defined as presenting VA of better-seeing eye <20/60 and ≥20/400, and blindness was defined as VA <20/400, according to the World Health Organization (WHO) definitions. The primary causes of blindness and low vision were assessed by senior ophthalmologists. Results....
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