It's easy to spend $500 to $1,000 on a pair of prescription eyeglasses with custom single vision, bi-focal or progressive lenses, but Warby Parker is the perfect example of an online eyewear ...

Progressive lenses, in particular, ... Blue-light blocking: A popular add-on for eyeglasses these days, this coating—which is sometimes yellow-tinted—is meant to filter out blue-colored light.

The crystals change how the lenses refract or bend light, just as varying levels of thickness do in traditional glasses. To call up reading power in the new glasses, users touch the side of the frame.

NEW YORK (CNNMoney) -- If you're reading these words through bifocals or progressive lenses, your life could change in June. That's when a company called PixelOptics in Roanoke, Va., plans to ...

Eyeglasses with metal frames are more likely to retain their shape, but plastic lenses can be deformed by extreme heat. Advertisement If you do make the mistake of leaving your glasses in the car ...

Progressive lenses, in particular, “are generally more complicated and require more care and expertise in fitting them,” said Adam Gordon, OD, a professor at the School of Optometry at the ...

They're not very pretty, but prototype eyeglasses from University of Utah scientists could make progressive lenses obsolete for older people. Using electronically activated lenses and infrared ...

Wearers of multifocals (“progressive” eyeglasses) must look through the top of the lenses for distance, through the middle for intermediate distance and through the bottom for close reading. Many ...