“Do you wear glasses or contact lenses? Then you may have a genetic mutation. Researchers have discovered mutations in a gene that's associated with a severe form of nearsightedness. The finding could give rise to better understanding the condition and developing future treatments,” according to a post on Science World Report. “Yet a more severe form of this nearsightedness, called high-grade myopia, is what can really trouble patients. It affects up to two percent of Americans, and is especially common in Asian populations. It's caused by a combination of genetics and environmental factors, such as large amounts of reading.” Read more.