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It was first mentioned in 4 BC and written about in 1268 but still nobody knows who invented spectacles (eyeglasses).
In 1784 Benjamin Franklin invented bifocals. In his invention the two lens sections were held by the frame; one hundred years later a version with the lenses cemented together was invented.
Glass is thought to have been invented around 3000 BC during the bronze age
The truth is that nobody knows who invented eyeglasses.
the Russians beat us to that one, too)... people also believe that bifocal eyeglasses were not invented until the LATE 1700's by Ben Franklin.
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Born in 1898, Katherine Blodgett was the inventor of eyeglasses. These contraptions were invented in the late 1930’s. This invention was used to enhance vision for those who needed them.
Who invented eyeglasses? That question has no answer, since the inventor of glasses, if one such unique individual existed, was never recorded. The first optical devices were...
Answers to questions on the history and invention of eye glasses and eye glass frames, work done by Ibn al-Haytham...
Inventions question: Who invented eyeglasses? Experts disagree... Many sources claim that the original inventor of eyeglasses is unknown. The ancestry of eyeglasses dates back to 4 BC, when people ...
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