Normal eye power is 1.0, and normal eye power is about 100. 1. Generally, myopia within 300 degrees is called mild myopia, moderate myopia between 300 and 600 degrees, and high myopia above 600 degrees. In terms of age groups, the overall myopia rate of children and adolescents in China in 20 18 years was 53.6%, that of high school students was 8 1%, and that of college students was over 90%. What can we do to prevent myopia? Leave time for outdoor activities! At present, the length of outdoor activities of teenagers in China is mostly less than 12 hours per week. It is found that if the outdoor activity time per week is increased from less than 5 hours to 14 hours or more, the risk of myopia among teenagers can be reduced by 1/3. Outdoor natural light, overlooking the distant scenery and appreciating the nearby things can create the most comfortable natural rest and adjustment environment for our eyes.

What can we college students do to prevent myopia?

Leave time for outdoor activities!

At present, the length of outdoor activities of teenagers in China is mostly less than 12 hours per week.

It is found that if the outdoor activity time per week is increased from less than 5 hours to 14 hours or more, the risk of myopia among teenagers can be reduced by 1/3.

Outdoor natural light, overlooking the distant scenery and appreciating the nearby things can create the most comfortable natural rest and adjustment environment for our eyes.