when I was in high school, we had only a few students out of a class of total >50 not having myopia, it is so common in northeast Asia - in Seoul, 96.5 percent

when I was in high school, we had only a few students out of a class of total >50 not having myopia, it is so common in northeast Asia - in Seoul, 96.5 percent of >19-years old nearsighted[1]. [1] https://www.japantimes.co.jp/opinion/2017/01/10/commentary/japan-commentary/nearsightedness-cost-academic-excellence https://www.japantimes.co.jp/opinion/2017/01/10/commentary/j...