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Bifocals are eyeglasses with two distinct optical powers. Bifocals are commonly prescribed to ... Benjamin Franklin is generally credited with the invention of bifocals. Historians have produced som...

The Electric Ben Franklin - USHistory.org


Franklin's contributions to the American Revolution and the building of a new nation were but a garnish on an already distinguished career as a writer, publisher, ...

Ben Franklin Glasses - Ben Franklin Spectacles | Benjamin Franklin


Nov 6, 2013 ... bifocals benjamin franklin As Benjamin Franklin aged, his vision, which had never been great, deteriorated even further. Like many of the ...

Benjamin Franklin . Inquiring Mind . It's the Little Things | PBS


Some of his inventions, like bifocal glasses, are well-known, while others are more obscure. Of the numerous inventions Franklin created, he did not patent a ...

Ben Franklin and the Bifocal | Medgadget


Jul 22, 2005 ... When you think of medgadgets, maybe eyeglasses don't spring to mind -- probably because they've been around so long, and are so prevalent ...

Scientist and Inventor: Benjamin Franklin: In His Own Words ...


Benjamin Franklin is credited with the invention of bifocal glasses, which he sketched here for his friend George Whatley, a London merchant and pamphleteer.

The 'inventor' of bifocals? - The College of Optometrists


US statesman Benjamin Franklin has long been credited with the invention of bifocal spectacle lenses, but whether this is historically accurate or merely a myth  ...

Bifocal Glasses History - Invention of Bifocal Glasses


Fascinating facts about the invention of Bifocals by Benjamin Franklin in 1760.

Bifocals and Trifocals for Vision After Age 40 - AllAboutVision.com


Dr. Gary Heiting describes which type of bifocal and trifocal eyeglass lenses best fit your vision ... Bifocal inventor Benjamin Franklin reading a manuscript. Later ...

Top 10 Ben Franklin Inventions | HowStuffWorks


Most people in colonial Pennsylvania were content to do their reading in a simple wooden chair. Ben Franklin, on the other hand, insisted on kicking back in a ...

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Benjamin Franklin-Father of the Bifocal


Adapted from the important key article by Dr. Charles Letocha, also the wonderful book by Dr. John Levene and finally the comprehensive paper (yet ...

Inventions and Achievements of Benjamin Franklin - Inventors


Benjamin Franklin invented the lightning rod - iron furnace stove - bifocal glasses and odometer - sp Ben Franklin.

About Benjamin Franklin: Inventor of the Bifocal Glasses


To learn more about the remarkable life of Benjamin Franklin, we have collected a variety of resources about his life and accomplishments!