Can You See Me Now?

Global myopia rates are on the rise—particularly among young people. Since 1970, nearsightedness rates have risen 66 percent in the United States. In Europe, 47 percent of 25- to 29-year-olds are nearsighted (nearly double the rate among 50- to 59-year-olds). In East Asia, a whopping 80 percent of young people are myopic. What’s behind this trend? Some …