The Sun Is the Best Optometrist
WHY is nearsightedness so common in the modern world? 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.
According to this article in the New York Times, this increase is due to changes to our modern way of life.
Click here to read the full article.