深读-小儿近视3：缺钙会诱发儿童近视？
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| VIDEOS | |||
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
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JPEG | Origin Image | Download |
近视会遗传吗？睫状肌为什么会紧张？光线太强、太弱会导致近视？躺着、趴着看东西，错误的坐姿会导致近视？长时间玩电子产品容易近视？熬夜容易近视？户外活动不够容易近视？维生素B1不足、缺钙也容易导致近视？儿童近视的诱发因素和预防知识，深读视频，每周二、四更新。
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