While not the kind of epidemic you're used to hearing about, nearsightedness is becoming a major health issue in many places. Learn about how scientists are finding out the reasons behind the increase in myopia, and how sunlight might be an important component.
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Tagged under: SciShow,science,Hank,Green,Michael Aranda,Myopia,Blindness,Epidemic,Sunlight,Sports,Preventive Medicine,Eyeball,Optics,Education,What nearsightedness?,nearsightedness,The Nearsightedness Epidemic,Near-Work,High Myopia,East Asia,First-born
Find more lesson plans like this:The Spread of Disease: Endemic, Epidemic & Pandemic
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