Sunglasses can serve a much bigger purpose, whether medical purposes or just protection from the sun and harmful lights when ...

I used freaking laser beams to test Tifosi sunglasses to see if they were as good as higher priced brands for driving.

Nishikas have four lenses and create four separate half-frame images by splitting the four photos across two frames of film. In contrast, [Joshua]’s DIY eye uses three plastic lenses from ...

While playing with that, he realized that an inexpensive glass or plastic lens could stand in for the precision-machined metal mandrel which is usually used in this technique. Pretty soon he was ...

Most headlight lenses are made of polycarbonate plastic. This strong plastic is perfect for taking on harsh road conditions without breaking, which you definitely want, but it doesn’t play well ...

The two biggest compromises with smartphone cameras are tiny sensors and equally tiny plastic lenses. What Xiaomi has done is produce a real camera lens with a large sensor that you can ...

For centuries, cameras and telescopes have relied on curved glass or plastic lenses to bend light and bring images into focus ...

Prescription eyeglasses can cost as much as $1,000, and most have plastic lenses, which scratch more easily than glass. Clearly, you need to protect your investment. But should you clean lenses ...

In reality, they're a relatively new medical marvel -- the first modern plastic contact lens wasn't introduced until almost 1950. Or, as Dr. Robert Kinast puts it, "We think of contact lenses as ...