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1993－1997年，邳州市第三中学体检学生8214人次，检出视力低下4005人次，视力低下率48.76％。其中男生2083人次，女生1922人次。视力低下率呈逐年上升趋势（表1）。学校及社会应提高重视程度，采取相应措施控制近视发展：①鼓励学生积极参加体育活动，包括每天定时做眼保健操
In 1993-1997, there were 8214 students in the third middle school in Danzhou City, with 4005 people with low visual acuity and 48.76% of eyesight loss. There were 2083 boys and 1922 girls. The prevalence of vision loss is increasing year by year (Table 1). Schools and the community should pay more attention to take appropriate measures to control the development of myopia: ① Encourage students to actively participate in sports activities, including regular eye exercises every day