High school students myopia rate as high as 83%! Introduction to adolescent vision protection

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1. The myopia rate of senior high school students exceeds 85%, and 40% of primary school students are “small glasses”
2. What is the reason for the high myopia rate of primary school students?
3. The myopia rate of high school students exceeds 80%. Parents have to do these six points
4. High myopia rate and disorder in adolescent vision correction Market
5. The incidence rate of myopia among primary school students is about 50%.
6. The myopia rate of primary and middle school students in the United States and Germany is less than 10%. How do they do it