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三岁多宝宝视力是多少
更新时间: 2020-11-05 00:00:00  

3岁宝宝的正常视力在0.7-0.8(按国内标准则是4.8-4.9),新生儿的眼球通常是正圆形的,但由于小月龄宝宝的眼球睫状肌、晶状体调节功能还比较差,平行光线最后会落在视网膜,形成远视眼。这些都是视力减弱的症状。

关键词: 宝宝 视力 多少

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