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眼睛是心灵的窗户,也是人们观察世界的窗口,如何进行视力保健是每个人,尤其是视力发育阶段的青少年必须掌握的基本知识。一、1、什么是近视眼它是一类以远视力下降为临床表现的综合病征,即看远模糊,看近清楚。群体近视眼的平均发病率:3～6岁为1%～3%,7～12岁为20%,13～15岁为30%,16～18岁为40%,大于18岁为50%。由于人种及文化特点,我国是
The eyes are the windows of the soul and the window for people to observe the world. How to carry out the vision care is the basic knowledge that everybody, especially the young people in the stage of vision development, must master. First, what is myopia It is a class of distant visual acuity decreased as a comprehensive clinical manifestations of symptoms, that is far look fuzzy, to see clearly. The average incidence of myopia groups: 1-3% of 3 to 6 years old, 20% of 7 to 12 years of age, 30% of 13 to 15 years of age, 40% of 16 to 18 years old, older than 18 years of 50%. Due to ethnic and cultural characteristics, our country is