据教育部调查资料显示仅近视率一项小学生为20%、初中生为30%、高中生为40%、而坐姿不正产生的脊椎弯曲已超过50%,学生近视率还以每年6%的速度递增……据有关专家研究表明,导致学生视力下降的主要原因是学生读书、写字时姿势不端正。眼睛距离书本太近,不但视力下降,而且会造成脊椎弯曲,含胸驼背等。为了祖国的未来和民族的希望,积极响应政府 According to the Ministry of Education survey data show that only myopia rate of 20% for a pupil, 30% of junior high school students, 40% of high school students, and sitting in spine have more than 50% of flexing, pupil myopia rate of 6% per year Increasing ... ... According to the relevant experts study shows that the main reason leading to decreased visual acuity is student reading, writing posture is not correct. Eyes too close to the book, not only decreased visual acuity, but also cause the spine to bend, including humpback and so on. Responding positively to the government for the future of the motherland and the hope of the nation