Now, a team of engineers from the University of Utah has developed a revolutionary flat telescope lens that captures color ...

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on amateur telescopes.

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Sunglasses-makers now offer myriad lens colors to choose from, but you shouldn’t pick based only on style. The different lens colors provide ­different benefits depending on how and where you boat. We ...

There are also contact lenses that can correct for color blindness, customized for the specific level and type the wearer suffers from. Though groundbreaking, these innovations are still analog ...