and more scratch-resistant than glass or the older plastic types. Polycarbonate. These impact-resistant lenses are a good choice if you play sports, work where your eyeglasses could easily get ...

And once your glasses are made ... It is sometimes referred to as standard plastic. CR-39 lenses are inexpensive, and they are not as light or durable as pricier options. People with stronger ...

Glasses used to be made of glass. Now, most are made of plastic. Plastic lenses are lighter and can be treated with coatings to protect your eyes. But plastic is more likely to scratch than glass.

These glasses feature a plastic frame with patented lenses that block between 65 and 98 percent of blue light. They're designed to protect your vision, plus reduce eye strain and headaches while ...

This is never a good idea. “Acetone (often found in nail polish remover) is surprisingly destructive to both lenses, and to plastic glasses frames, if left on the surface for too long,” Dr ...

A third panelist—who wears moderate progressive prescription lenses (with moderate astigmatism), and most often chooses statement specs made primarily of plastic—ordered glasses from the four ...

Glasses are a fashion items, so frames are often tossed once they fall out of trendImage: Manfred Segerer/IMAGO The lenses themselves are usually ground down from large pieces of plastic about the ...

If you pay for glasses or contacts ... it's a huge savings," he said. With plastic frames, for instance, Thompson says he can fix a broken arm in five minutes. "I will heat that metal remnant ...