A teacher demonstrated the effects of bifocal lenses on light. Video shows the lecturer passing laser light beams through eyeglasses at a school in Fushun City in Liaoning, China, on September 2. The ...

Presbyopia is a visual defect which affects many people over 40 years old, including myself. As we cannot focus on close objects, we tend to rely on bifocal glasses. But with bifocals, the two parts ...

Bye-bye bifocals. A new pair of smart glasses from the University of Utah may have just eliminated the need for spectacles. According to researchers, these new smart glasses come with liquid lenses ...

I'm a lucky guy. I wear glasses, and I like wearing them. They're sort of my way of saying, "Screw you, world, I'm an actual nerd!" My glasses are big, they're black, and they make me look so good ...

Bifocal glasses may be effective in slowing the progression of myopia (nearsightedness) in children with high rates of progression, according to a new study. Bifocal glasses may be effective in ...

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