There is an epidemic of myopia today. In just the first five years of this century, myopia increased 42% in the U.S. This epidemic affects children almost exclusively, but the best way to prevent myopia is surprisingly simple: sunlight. The articles and studies below further discuss this epidemic and the best way to manage it.
The Sun Is the Best Optometrist
Parental History of Myopia, Sports and Outdoor Activities, and Future Myopia
Outdoor Activity Reduces the Prevalence of Myopia in Children
Increased Prevalence of Myopia in the United States between 1971-1972 and 1999-2004
Burning Question: Does Reading in Dim Light Hurt Your Eyes?
Too Many Chinese Children Need Glasses. Beijing Blames Video Games