August 25, in the city of Zhongshan East Road, Shijiazhuang City, Hebei in the primary visual health interventions center of Chang'an base, fake ray bans came to check the eyesight of students waiting in a long team. "Every winter and summer vacations to the eye clinic patients and more than half of primary and middle school students during the summer student patients sometimes reached more than 100. Professor of ophthalmology, chief physician Weisu Qin told reporters that more and more attention because of the child's vision problems , who came to seek treatment for "myopia" is also increasing year by year, almost all students annual holiday special. Shijiazhuang City, the primary visual health intervention center deputy director of the Municipal People's Congress Chen Qian excluded health intervention center, cheap ray bans according to the City in the primary visual display for vision health records of more than 40 million primary and secondary students, the provincial capital vision problems need further examination concurrent review notice about 60% of the total number of single students, the provincial capital of the primary visual NPL ratio was 25.5%, poor vision was 51.43% junior high school students, high school students of poor vision rate of 71%, myopia phenomenon has become more of a younger age. "Some of the parents to let the children abandoned nearly two months of summer time, have reported them many cram group of children practice the piano, calligraphy and greatly increases the time with the eyes close, and the time of outdoor activities significantly reduced over time, sedentary, and the opportunity to make the eye movement gradually become less, many children decreased vision. "said Chen Qian excluded. The clinical investigation found that children often stay home all day, and some crazy addicted to online games, some see the disc lying in bed, watching TV, and rarely participate in outdoor sports. Often a holiday down, many children in visual acuity was significantly diminished, not see the words on the blackboard in front of after school. Professor Wei Suqin told reporters, myopia causes include congenital genetic and acquired the environmental impact of two aspects. Environmental factors both external natural environment, including the child's eye habits. Many children usually bad habits with the eyes, such as reading, ray ban wayfarer writing posture is not correct, read in bright light, dim light and regular contact with the TV, computer, etc., can cause myopia.