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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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