Since the 1950’s, when researchers first started recording instances of myopia or shortsightedness, the condition has increased at a tremendous rate almost uniformly around the world. It’s accelerating too: myopia among young people has doubled within a single generation, and it’s expected to, by some estimates, affect one-third of the world’s population — 2.5 billion people — by 2020. To understand why this is, let me ask you a question: Look in any direction as far as you can, and tell me,…
Read moreThe Myopia Epidemic
10:47 Joseph Pennington