Are you nearsighted(近视的)? Do you wear1 ? Many of you may say "yes".
In fact, China's young people have a 2 rate(率) of nearsightedness, according to a report about health from WHO. About 70% of high school students in China are nearsighted.
In August, 2018, a plan for this 3 was finally introduced. It aims to cut down the rate of nearsightedness of middle school students to less than 60% 4 2030. Schools across the country are taking actions for this 5 .
A middle school in Zhengzhou, Henan 6 with its desks. It has designed(设计) desks with a board above the desktop. The board 7 students from lowering their heads too close to their desktops. More than 400 students have used the 8 desks so far. More students will use them soon. Similarly, a school in Nanchang is now providing desks and chairs according to students' heights. Studies have shown that a 9 desk height can prevent nearsightedness.
Staring at screens can hurt our 10 . No. 9 Middle School in Beijing has a(n)11 to solve this problem. In its classrooms, there are 12 boxes for storing students' cellphones. "We hand in our cellphones every morning,13 get them back after school," said Huang Jiahua, a 15-year old boy.
Spending more time outside can also 14 the risk of nearsightedness.Yucai Middle School in Chengdu makes sure that 15 students play outside for at least 80 minutes everyday. "We have a P.E. class and a 20-minute break in the morning and afternoon to do exercise," said Sun Zihan, a student in the school.