Variable neutral density (ND) filters are handy tools for photographers, in that their opacity can be adjusted simply by ...

What to know: Probably the best-known online prescription glasses brand, Warby Parker specializes in the trendiest specs. All ...

If you’re like myself, then I have every intention to wear sunglasses, but I’ve had a hard time finding places to buy a prescription pair. There’s no lack of retailers, but it can be ...

“Megane wa kao no ichibu desu” (eyeglasses are ... bought a pair of handmade black titanium frames. When I showed dismay at having to wait two weeks for a prescription lens to be put in ...

The first collection of prescription glasses and sunglasses under the 10-year licensing ... multimedia frames in metal and acetate or horn, and titanium arms plated in 18-carat white or pink gold. One ...

Donovan Harbison shares his experience as the second person on Earth to receive a titanium heart transplant. NBC News' Dr. Akshay Syal speaks with the doctors and inventor of the artificial heart ...

The temple length is the full distance of a glasses’ arms (aka, the part that folds). The higher the prescription, the thicker the glasses' lenses will be. Even with high-index lenses ...

One of the most common resources on the moon is considered relatively valuable here on Earth—titanium. At $10,000 a ton, it is one of the more valuable metals used in various industries ...

Lois Borny works on the product review section of The Independent, IndyBest, where she helps readers to save money and shop savvy, scouting out the very best deals and sharing her tried and tested ...

With six blades — two finishing blades designed to cut hair at the base, two titanium-coated blades for long and thick stubble, and two lift blades to lift and cut hairs that lay flat — the ...