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四岁宝宝眼睛多少算正常值
更新时间: 2020-11-04 00:00:00  

四岁宝宝眼睛正常值为0.5-0.6,一般的孩子到6岁左右视力才能达到1.0或以上。

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(如角膜、晶体、玻璃体等)变得混浊或存在屈光不正(包括近视、远视、散光等)时,即使视网膜功能良好的眼视力仍会下降。

关键词: 宝宝 眼睛 多少 正常值

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