Blue-Light-Blocking Lenses May Be Breakthrough for Warfighters

http://ift.tt/2pmPDHu
Military Health System officials are working on tinting for lenses that can be worn an hour or two before bedtime, blocking the light that blocks the brain's production of melatonin, the chemical that helps people sleep.

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http://ift.tt/2okLFQG Blue-Light-Blocking Lenses May Be Breakthrough for Warfighters - Wordpress