" We have much to learn about myopia, but two facts are clear. First, myopia is a formerly rare evolutionary mismatch that is exacerbated by modern environments. Second, even though we don’t entirely understand which factors cause children’s eyeballs to elongate too much, we do know how to treat the symptoms of myopia effectively with eyeglasses. Eyeglasses "

― Daniel E. Lieberman , The Story of the Human Body: Evolution, Health, and Disease