Benjamin Franklin was the one who invented the bifocal lens which helped people with both near and far-sighted issues to use one pair of glasses instead of having two. The founding father of the ...

Bifocal glasses have come a long way since Benjamin Franklin first invented them more than 200 years ago. Line, no line (progressive) and contact lens options have been available for years ...

Bifocal glasses allow wearers to focus on both far and near objects by looking through different parts of the lens. It’s commonly said that Benjamin Franklin invented these lenses, but they have ...

Glasses that change from ... while others report increased eye fatigue. “Bifocals effectively work the same way they have since they were invented by Benjamin Franklin,” says Nasser ...

The tinkerer who loved playing with electricity and allegedly invented the bifocals might have been glad to know that ... specs that can track users' eyes and automatically adjust the glasses' focal ...