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3岁视力要打到多少正常

更新时间: 2020-11-04 00:00:00     

3岁视力要达到裸眼视力0.6正常,因为3岁孩子的视力发育尚未完全。

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: 视力 多少 正常

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