Staring at a $16 red flashlight improved eyesight in people over 40

Exposing your eyes to deep red light for three minutes a day can "significantly improve declining eyesight," reports University College London. Researchers at UCL first tested the eyesight of 24 volunteers between the age of 28 and 72. They sent them home with inexpensive flashlights that emitted deep red 670-nanometer wavelength light and instructed them to look into the light for 3 minutes a day for 2 weeks. — Read the rest

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