天气预报 > 其他 > 二个月小孩眼轴应该多少正常
二个月小孩眼轴应该多少正常
更新时间: 2020-11-04 00:00:00  

二个月小孩眼轴平均长度大约18.7mm,上限一般为20.5mm。眼球的前端与后端的距离我们称之为眼轴,眼球太长会导致近视,过短会导致远视。目前需要预防近视,定期眼科随诊。

关键词: 小孩 应该 多少 正常

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