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 ...

Over-the-counter reading glasses can help. But if you’ve always worn glasses or contacts, then bifocals, trifocals, or progressive lenses may do the trick. They’re also called multifocals.

For children diagnosed with worsening myopia, bifocals might be a better choice than standard lenses for nearsightedness; researchers have found that the condition doesn’t seem to progress as ...

Children with an annual myopia progression of at least 0.50 dioptres (D) may benefit from bifocal spectacles, according to the results of a randomized controlled trial. While traditional bifocals ...