Who Invented the First Bifocal Eyeglasses?

Answer

Many experts believed that the first bifocal eyeglasses were created by founding father, Benjamin Franklin in the 1750's. Though it should be pointed out that the these glasses where only worn for him. The development of bifocals for mass production were created through Samuel Pierce, who was not influenced by Franklin's glasses . It is the case of two people coming up with a great idea in the same era.
Q&A Related to "Who Invented the First Bifocal Eyeglasses?"
Benjamin Franklin.
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Benjamin Franklin invented bifocals in 1784 and nicknamed them "my double spectacles." John Issac Hawkins who invented the tri-focals, came up with the term bifocals and
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Inspiration The inspiration behind Benjamin Franklin's idea to invent bifocal lenses still resonates among many people who are now the age that Franklin was when he invented them.
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The original bifocal lens was invented in 1784 by Benjamin Franklin (1706-1790). At that time, the two lenses were joined in a metallic frame. In 1899, J. L. Borsch welded the two
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Explore this Topic
The bifocal eyeglasses where invented by the Dominican friar Alessandro della Spina and Salvino degli Armati. This was i the year 1280 in Florence Italy. ...
In the 1700's eyeglasses were known as "spectacles". Bifocals are spectacles that were invented by Benjamin Franklin. Ben Franklin invented these spectacles ...
In the 1700's eyeglasses were known as "spectacles". Bifocals are spectacles that were invented by Benjamin Franklin. Ben Franklin invented these spectacles ...
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