A Canadian teenager recently lost her sight after several hours of watching Netflix on her smartphone, and is still not quite back to 20/20 vision after three months of wearing corrective eyeglasses. It may be rare for such symptoms to last so long. Doctors say, however, that the number of cases of poor vision is increasing rapidly, especially among young gadgetusers. What was once mainly a health issue of the aged is now becoming common even among the very young as they spend ever more of their time looking at tiny screens. The problem, doctors say, is that small print and pictures viewed up close force the eye's muscle to bend more than it should in order to focus. This tires the muscle, often resulting in partial loss of vision by the end of the day. Happily, common sense is enough to avoid serious eye damage from smartphones. Spending less time on your favorite gadget, and letting your eyes rest before using it again, should make for a safe experience online. So give your eyes a break!
近期有名加拿大青少年，以智慧型手機觀看網路串流電視平台Netfilx節目數小時後失明，配戴矯正眼鏡三個月後，仍尚未恢復至1 . 0 的正常視力，這種症狀維持這麼久的情況，算是罕見。不過，醫生說，視力不良的病例迅速增加中，尤其是使用電子裝置的年輕族群。本為長者才會面臨的健康問題，現在卻常見於極低年齡層，因為他們花越來越多的時間盯著小螢幕。 醫生說，問題在於近看小字體和圖片，會迫使眼球肌肉為了達到聚焦目的而過度彎曲，導致眼球肌肉疲勞，最後造成喪失部分視力的問題。 幸好，只需常識即可避免智慧型手機對眼睛帶來嚴重的損傷。減少使用你喜愛的電子裝置的時間，再次使用之前記得閉目養神片刻，上網就會較為安心。所以，一定要讓靈魂之窗休息一下！ | 
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