The survey shows that the incidence of myopia in China is 33%, 1.5 times the world average; the number of myopia in the country is nearly 400 million, and the adolescents are high-risk myopia, and the incidence of myopia is as high as 50% to 60%.
There are many reasons for this, one of which is related to the lighting of the classroom. Today, let's learn the secrets of school lighting!
