A report shows that around 72% of Chinese aged 12 to 14 have myopia (近视). This number is much 1 than the 58% in 2010. It is also said that China has the highest teenage myopia rate (比率) in the world. According to the 2 , 82. 8% of parents believe that too much screen time is the main 3 for the high rate of myopia.
4 study supports this point. It shows that teenagers in China 5 more than 50% of their free time looking at screens, such as watching TV, playing computer games, or surfing the Internet. Many classroom activities and homework activities also need the 6 of smartphones or computers.
Too much screen time is bad for teenagers' eyes. It is necessary to 7 their daily screen time. Studies should be done on how much time is spent on phones or computers and how much time is spent on 8 activities. Different timetables (课程表) for school days and weekends should be used to 9 students keep healthy. This will also help teenagers to 10 better time management (管理) skills.
