If you want to buy glasses online, experts say there are a few rules to follow. Plus, find our our favorite spots to buy ...

As someone who has worn prescription glasses since middle school, I understand the burden of not only having to acquire new ...

Although having bad vision isn’t ideal, it gave me a chance to test a rad pair of glasses from Zenni, an online-only optical brand. My current pair of glasses are old, scratched up, and (I hate to ...

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The right pair of glasses can make or break your look. From trendy sunnies to prescription glasses you'll actually want to wear, Zenni has you covered with lenses that protect your eyes and frames fit ...

Ditch the doctor's office and snag your prescription glasses for less when you shop online. These are the best places to get your next set. Executive Editor David Carnoy has been a leading member ...

It had been several years since I had been able to be seen. They made sure I had enough reminders of my upcoming appointment and exam. My wait was short, they called me by name and remembered me ...

Optical fingerprint scanners are the oldest method of capturing and comparing fingerprints. As the name suggests, this technique relies on capturing an optical image — essentially a photograph.

Optical materials are substances used to manipulate the flow of light. This can include reflecting, absorbing, focusing or splitting an optical beam. The efficiency of a specific material at each ...

Optics and photonics covers the entire electromagnetic spectrum from high-energy gamma rays and X-rays, through the optical regime of ultraviolet, visible, and infrared light, to long-wavelength ...