Nowadays，you can see many people busy on their smartphones(智能手机) if you look (1)a _______. Smartphones make our lives much (2)________(easy) than before. But have you ever thought about what they mean to your eyes? Staring at smartphones for a long time gives you dry eyes and even (3)________(cause) a disease(疾病) called glaucoma(青光眼)．There're a few things you can do to (4) ______________ (保护) your eyes.Take a break every hour and try the following. Look at something at least 5 meters away from you and then focus on the tip of your nose.Repeat this some (5)________(time)．It should reduce(减少) the discomfort in your eyes.
2题 | 被引用0次