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4周岁小孩视力达到多少是标准
更新时间: 2020-11-05 00:00:00  

4周岁小孩视力达到0.7~0.8是标准,如果视力低于正常的标准,应该进行一下验光检查。

视力是指视网膜分辨影像的能力。视力的好坏由视网膜分辨影像能力的大小来判定,然而当眼的屈光介质变得混浊或存在屈光不正时,即使视网膜功能良好的眼视力仍会下降。

关键词: 周岁 小孩 视力 达到 多少 标准

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