Sunlight May Reduce Risk of Nearsightedness

By Dr. Mercola Sunlight is good for you. Seriously good for you. In fact, a new study shows that people, teens in particular, who spend time outside basking in the sun have better vision later in life. Conversely, those who don’t get a lot of sun when they’re in their teens or early 20s can expect the opposite. The types of vision problems the study1 showed improvement on included myopia, a type of nearsightedness. Researchers from King's College London, the London School of Hygiene & Tropical Medicine and other universities reviewed 371 Europeans with nearsightedness, as well as 2,797 people without the condition, all 65 and older. Each participant underwent an eye examination, had blood samples taken and had an interview about their health behaviors in previous years, primarily to estimate their exposure to ultraviolet B rays between 9 a.m. and 5 p.m., and between 11 a.m. and 3 p.m. Those with the most ultraviolet B exposure, especially when they were teenagers and young adults
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