Global myopia increasing, half may need corrective lenses by 2050

Summary: Myopia, or nearsightedness, is increasing globally. By 2050, half the population may need corrective lenses, up from 23% in 2000. In the U.S., annual spending on myopia-related expenses could reach US$7.2 billion. Factors contributing to this epidemic include increased near work activities and reduced time spent outdoors. Spending time outside and limiting near work can help prevent myopia progression.

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