History records the date of the first eye glasses as sometime around 1280. Salvino degli Armati and Alessandro delia Spina are given credit for the first pair of glasses used to correct vision.
Think Teddy Roosevelt and you have the pince-nez eye glasses design that pinches the nose so glasses do not need to loop around the ears. The design was popular in the 19th century.
Safety glasses was the name given to frames made to protect the eye. They are the most popular eye glass frames used today. Safety glasses have been sold since the 1920s, at first for use in industrial purposes, and then for the general public as a basic plastic frame.
A monocle is a eye glass used to cover only one eye. Most have a chain or heavy cord that hooks into a pocket or around the neck. The lens is held in place by squinting the eye to squeeze the glass so it doesn't fall out of the eye.
Eye glasses that serve as both near-sighted and far-sighted purposes are bifocals. The glass on bifocals combines both concave and convex lenses so the wearer can see both vision areas.
Reading glasses is the term used for eye glasses typically made with the bottom portion of the glass designed to enlarge words for reading. American Benjamin Franklin is given credit for the invention.
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