天气预报 > 其他 > 3周岁测视力是多少
3周岁测视力是多少
更新时间: 2020-11-04 00:00:00  

3周岁测视力是0.5-0.6,3岁左右的孩子有精细的视觉反射运动。

人类并非一出生便拥有1.0的视力,而是随着外界的刺激才慢慢发育出各种视觉机能,出生后到3岁期间是视力发育最重要的阶段。

关键词: 周岁 视力 多少

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