The Sun Is the Best Optometrist for Children
Source UNITED STATES, June 20, 2011 (NY Times): In the early 1970s, 25 percent of Americans were nearsighted; three decades later, the rate had risen to 42 percent, and similar increases have occurred around the world. Although genes do have an influence, they are not the only factors at play. In this case, the rapid increase in nearsightedness appears to…
