PHILADELPHIA (CBS) - Eyewear professionals in Philadelphia were getting a first look today at a new, high-tech type of bifocal eyeglasses. These aren't your Ben Franklin bifocals. A Virginia-based ...

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 ...

Benjamin Franklin is generally credited with the invention of bifocals, and the basic technology hasn't much changed for 300 years. Traditional bifocal eyeglasses all basically have a lens that's ...

FARGO - Those who wear bifocals and have difficulty adjusting their vision now have another option: eyeglasses that focus electronically. The new glasses, now available at several local optical shops ...

Eyeglasses come in a variety of types. This includes a single-vision lens with one power or strength over the entire lens, or a bifocal or trifocal lens with multiple strengths over the entire lens.

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Bifocal glasses can prove effective in slowing down the progression of myopia in children with high rates of progression, according to a new study. Bifocals-glasses with two different corrective ...

Lenses made with liquid crystals could lead to eyeglasses that can easily switch between correcting near- and far-sightedness. Instead of fashioning lenses just from glass, which must be made convex ...

Electronics have become a ubiquitous part of fitness and recreation. You use a GPS to navigate and track your speed, distance and vertical. You use a heart rate monitor to measure your calories burned ...

Researchers have developed a new type of bifocal lens that offers a simple way to achieve two foci (or spots) with intensities that can be adjusted by applying external voltage. The lenses, which use ...

Contact lens manufacturers are watching the calendar as the postwar Baby Boom generation advances into the years when an eye doctor is likely to suggest bifocal eyeglasses. People who need to wear ...

A new study suggests that it may be possible to reduce the degree of myopia in children by using bifocal lens. Myopia, also known as short-sightedness, occurs when the eyeball becomes elongated, ...