Conventional curved lenses, which direct light by refraction in glass or plastic, are often bulky and heavy, offering only limited control of light waves. Metasurfaces, in contrast, are flat and ...

Scientists have developed an impossibly thin telescope lens that addresses a key astronomical challenge in a new study funded ...

After testing the XReal One AR Glasses for two months, we found these are built for dedicated AR enthusiasts. Read the review ...

Here's how an innovative flat lens could solve these problems for satellites and space-based telescopes. Understanding ...

Today, 1-800 Contacts, the largest retailer of contact lenses, has expanded and launched The Framery, a new online retailer ...

The reason cataracts are most commonly age-related, Lazar explains, is because as we age, important proteins in our eyes ...

I think that the best lenses for the Nikon Zf need to fit with its retro-styling but match its full-frame performance So I'm definitely not going to simply repeat a list of the best Nikon Z lenses to ...

Explore the evolution of a groundbreaking scientific instrument that has redefined our understanding of the cosmos – from its inception in 1608 to the cutting-edge gamma-ray telescopes of today.

Meta’s Orion AR glasses prototype is expensive to make—like $10,000 per pair, expensive. Orion’s most pricey component is undoubtedly its custom silicon carbide waveguide lenses ...

Thanks to the internet, it’s easy to browse, customize and (virtually) try on prescription glasses online without taking a trip to the optometrist’s office. After evaluating several options ...

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 ...