Conventional curved lenses, which direct light by refraction in glass or plastic, are often bulky and heavy, offering only ...

Buy your solar eclipse glasses now to watch the partial solar eclipse on Saturday, March 29. Learn what to look out for, and ...

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

You may be able to get more out of your glasses if you try more than one pair. There are many different types of lenses for various lifestyle activities. That depends on whether your eyes change ...

A laser beam hits a meta-grating that directs the light waves even at steep incidence angles, thus enabling new optical ...

For affordability, we recommend Zenni Optical, which has frames at prices as low as $7. Warby Parker is our top choice for the most stylish prescription glasses, with chic styles that are designed ...