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en.wikipedia.org/wiki/Glasses

The first lenses for correcting astigmatism were designed by the British astronomer George Airy in 1825. Over time, the construction of frames for glasses also evolved. Early eyepieces were designed to be either held in place by hand or by exerting pressure on the nose .

en.wikipedia.org/wiki/History_of_glass

The history of glass-making dates back to at least 3600 years ago in Mesopotamia.However, some claim they may have been producing copies of glass objects from Egypt. Other archaeological evidence suggests that the first true glass was made in coastal north Syria, Mesopotamia or Egypt. The earliest known glass objects, of the mid second millennium BC, were beads, perhaps initially created as ...

www.whenwasitinvented.org/when-were-eyeglasses-invented

On 16th September 1284, the first wearable eyeglasses of metal lens were invented by an Italian, Salvino d’Armati. The British optician Edward Scarlett in 1727 invented the eyeglasses frame of modern style by putting arms on eyeglasses. Benjamin Franklin invented the bifocal lenses in 1784.

www.glasseshistory.com/glasses-inventor/who-invented-glasses

The first eyeglasses had frames made of metal or bone and had lenses made out of quartz because the ''opticians'' of that time didn't have the capabilities of producing flawless lenses in glass. In the 14th century, Venetian craftsmen were making "disks for the eyes"'.

www.zennioptical.com/blog/history-eyeglasses

Now not so much. Oversized, bulky wire-framed glasses were favored in the 1970s. Now not so much. Now, retro glasses that for the past 40 years were unpopular, such as square, horn-rim and brow-line glasses, rule the optical rack. If you enjoyed reading about the history of eyeglasses, stay tuned for an upcoming look at the future of eyeglasses!

schmidtsoandh.com/when-were-eyeglasses-invented

In the 1700s, eyeglasses were being made by hand. The century’s most important contributions to eyeglasses were the invention of temple pieces that rest over the ear (first advertised in 1728) and the bifocal, invented by Benjamin Franklin, in 1784. Common styles in the 1700s included: The Martin’s Margins.

www.framesdirect.com/knowledge-center/who-invented-glasses

No evidence exists to prove who the original inventor of glasses was, though many claims have been made to the invention. You might have heard that Benjamin Franklin invented glasses (he invented bifocals.) But glasses had already been around for 400 years by the 1700’s, when Ben Franklin was active.

www.historyofglass.com

By 1575, English glassmakers were made glass in Venetian fashion. In 1674, an English glassmaker George Ravenscroft invented lead glass. The first glass factory in the United States was built in Jamestown, Virginia in 1608. In the early 1800’s, there was a great demand for window glass which was called crown glass.

www.thoughtco.com/history-of-glass-1991846

The lenses were made of tinted glass as well as clear. Ayscough felt that white glass created an offensive glaring light, that was bad to the eyes. He advised the use of green and blue glasses. Ayscough glasses were the first sunglass like eyeglasses, but they were not made to shield the eyes from the sun, they corrected for vision problems.

www.answers.com/Q/When_were_the_first_eyeglasses_made

== == The ancestry of eyeglasses dates back to 4 BC, when people utilized water to magnify items for clearer viewing. The modern framed eyeglasses were known to exist as early as 1285, then ...