It can be seen from the analysis chart (Fig. 5) that the trouble of using mobile phone frequently is easy to be detected due to eye fatigue, while the ratio of dry eyes and visual deterioration accounts for 50%, which makes us find that the trouble of using mobile phone for a long time lies in various symptoms of eyes, while (Fig. 6) the ratio of putting down mobile phone when eating with friends or walking on the road is sometimes more, sometimes it may be eating When friends play games or take photos, upload photos, etc.. These actions will be very difficult to not look at the mobile phone, but it will bring a bad burden to the eyes.<br>
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