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婴儿为什么很少眨眼睛

更新时间: 2020-10-06 00:00:00     

眨眼反射功能是人类自身保护眼睛免受强光和异物伤害而后天形成的一种保护性反射,这种放射将持续终生。婴儿(尤其是新生儿)眼部发育还不完善,对物体和光感的刺激其实并不会有明显反应,因此眨反射并不健全,要在两个月左右才会形成,慢慢成熟为自然反应。

关键词: 婴儿 为什么 眼睛

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