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为了系统地了解、澄清我区农村人群中盲目和低视力的患病情况、致盲因素及在人群中的分布规律等,我们于1986年7—8月进行一次全区农村以盲目和低视力为重点的抽样调查。现总结如下:
In order to systematically understand and clarify the prevalence of blindness and low vision in rural areas in our district, the causes of blindness and the distribution among the population, we conducted a survey in July-August 1986 in a blind and low-vision rural area As the focus of the sample survey. Now summarized as follows: