That makes them a far cry from old fashioned bifocals, which are eyeglasses with two different prescriptions in the same lens that are clearly separated by a seam, or progressive glasses (also called ...

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 ...

If you need different pairs of glasses for seeing different things (say, reading vs. distance) or wear bifocals or progressive lenses, the future is looking bright: Someone has invented a pair of ...

Many adults find once they reach the age of 40 or so that they start to develop what is known as presbyopia. This is when objects that are close to the eyes become less distinct and the eyes need help ...

COLUMBUS, Ohio – Young nearsighted kids who wear bifocal contact lenses that slow uncoordinated eye growth do not lose the benefits of the treatment once they stop wearing the lenses, new research ...