Chenghai Weng

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BACKGROUND Registered data can provide valuable information regarding blindness. The purpose of this study was to evaluate the main causes and 3-year incidence of registered blindness in Jing-An district in Shanghai, China. METHODS Data from the blindness registry (age, gender and cause of visual disability) were collected and analyzed. The prevalence of(More)
BACKGROUND The registry system can be used to observe the distribution trend of diseases and analyze the related data to provide useful information in a way that enables the government to take appropriate interventional measures. The purpose of this study was to determine the causes and three-year incidence of newly registered disabled patients who were(More)
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