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儿童正常的视力多少正常
更新时间: 2020-11-04 00:00:00  

儿童正常的视力在0.6-0.8;而在学龄前基本上能达到正常视力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(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。眼的屈光介质混浊,可以使用手术来治疗,而屈光不正则需要用透镜来加以矫正。

关键词: 儿童 正常 视力 多少

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