Paper-thin optical lenses simple enough to mass produce like microchips could enable a new generation of compact optical devices. Researchers have fabricated and tested flat lenses called Fresnel zone ...

A new study found 15 bands commonly available in the U.S. contained PFAS Bands used for smart watches and fitness trackers ...

A new report shows the benefit of wearing contact lenses for slowing myopia has a lasting effect -- good news since 50% of the world (5 billion people) will likely be nearsighted by 2050.

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