Who Invented Bifocal Lenses For Glasses?
Who Invented Bifocal Lenses For Glasses? Early American statesman, author and inventor Benjamin Franklin is credited with creating the first bifocal eyeglass lenses in 1784. Later, in the nineteenth and early twentieth century, the Franklin bifocal lens design was further refined. When were bifocal lenses invented? Bifocals, the combination of both concave and convex lenses