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Ben Franklin had poor vision and got tired of putting on his spectacles, and having to take them off again, so, he invented a way to see both near and far by taking half of a lens from two different pairs of spectacles and put each half into a single frame. He called them bifocals. The year he invented them was 1784.
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TaigaBen Franklin and it was in 1783 (we are doing a big project in school on who evented what and when) my teacher even said this flat out in class...
Benjamin Franklin created the bifocal lens. It is claimed that he created them in 1784 due to his having trouble with his own vision.
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Who invented the bifocals?
I've read that Benjamin Franklin invented them...
What Chinese invention did Benjamin Franklin use?
Glasses ...He invented Bifocals .
What is the importance of bifocals?
Bifocals are important for those with impaired vision, so they can see both far and near without taking off their glasses or switching them. They were invented by Benjamin Franklin in 1700â??s.
What did Benjamin Franklin have or ivent?
Ben Franklin invented the Lighting Rod,Bifocals,Frankiln Stove,Carriage Odometer and the Glass Armonica.
Benjamin Franklin was famous but he also invented?
Bifocals, Franklin stove, Lightning Rod, Electricity, Class Harmonica, and the Odometer
Who invented bioforcal glasses?
Benjamin Franklin invented the bifocals
Did president George Washington invent bifocals?
George Constant Louis Washington, not the president of the United States, is fabled to have invented bifocals. However Benjamin Franklin invented bifocals on May 23, 1785.
Where and when were the bifocals invented?
Bifocals were invented by Benjamin Franklin in the 18th century in Philadelphia, Pennsylvania, USA. He created them to help people with presbyopia, a condition that affects near vision as people age.
Who invented the bifocals?
I've read that Benjamin Franklin invented them...
What did Benjamin Franklin invent and what nationality was he?
he invented bifocals
What state did ben invented the bifocals?
in Washington DC
What year was the bifocals invented?
The bifocals were invented in 1784, by Benjamin Franklin, because he had seeing problems, and put two lenses of glass together to magnify his vision.
Why were bifocals invented?
Bifocals are used for distance seeing or at close up seeing.
Where were bifocals invented?
Bifocals were invented by Benjamin Franklin in the United States around 1784. Franklin designed them to help him see both up close and far away without having to switch between different pairs of glasses.
Who invented the bifocals eyeglasses?
Benjamin Franklin.
Who invented the lighting rod and bifocals other inventions?
Benjamin Franklin
What Chinese invention did Benjamin Franklin use?
Glasses ...He invented Bifocals .
