60 percent of Shanghai students nearsighted
June 3rd, 2011 - 6:43 am ICT by IANSShanghai, June 3 (IANS) Nearly 60 percent of primary and middle school students in China’s Shanghai city suffer from nearsightedness, a media report said.
Among senior high students, 86 percent are shortsighted, and the numbers are 70 percent and 38 percent among students at junior high and elementary schools, China Daily reported quoting the Shanghai Evening Post.
Excessive schoolwork and frequent contact with electronic screens were the main causes for the high incidence of myopia among teenagers, the Post said Wednesday quoting a survey by the Shanghai Municipal Centre for Disease Control and Prevention in 2010.
The increase in myopia occurs during the transition periods between schools, as the number of nearsighted students grew more than 10 percent from the third year of junior high to the first year of senior high, it said.
The survey also found that middle school students in Shanghai spend 2.8 hours a day using electronic products with screens, and four hours on weekends, which is much longer than the suggested two hours by the American Academy of Pediatrics, said the report.
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Tags: academy of pediatrics, american academy of pediatrics, china daily, disease control and prevention, electronic products, electronic screens, elementary schools, evening post, june 3, middle school students, myopia, schoolwork, shanghai city, teenagers, transition periods