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眼睛不近视比得100分还重要 儿童青少年近视怎么防

高中生近视率超八成儿童青少年近视怎么防“从不同年龄段来看，2020年，我国儿童青少年总体近视率为52.7%，其中6岁儿童为14.3%，小学生为35.6%，初中生为71.1%，高中生超过了80%；从不同近视程度来看，近视的孩子中有10%是高度近视，超过1/3的是中度近视，也就是说中高度近视的比例近50%；从不同的区域来看，总体的趋势是‘东高西低，北高南低’。同时，城乡之间也有明显的差距，城市的近视率达到56. ....

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