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7小孩正常视力标准是多少度
更新时间: 2020-11-04 00:00:00  

7小孩正常视力标准是≥1.0(5.0),屈光度为+1.75~+2.00D。

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。

关键词: 小孩 正常 视力 标准 多少

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