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七周岁的孩子正常视力多少

更新时间: 2020-11-04 00:00:00     

7岁的儿童正常视力是1.0,我国儿童正常远视力的设置标准为3岁0.5,4岁0.7,5岁0.8,6岁1.0。

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 孩子 正常 视力 多少

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