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3岁的孩子视力正常是多少
更新时间: 2020-11-05 00:00:00  

3岁的孩子视力正常0.4-0.6,即视力不低于4.8属于正常视力范围。

通常所说的视力是指远视力并且是中心视力、静视力,它反映的是视网膜最敏感的部位--黄斑区的功能,远视力检查通常用视力表来进行。

关键词: 孩子 视力 正常 多少

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