Why were sunglasses invented?
Benjamen Franklin's invention of bifocal lenses followed in 1780. By the 20th Century, sunglasses were used to protect the eyes from the sun. In 1929 Sam Foster began selling his protective sunglasses at Woolworth stores on the boardwalk at the beaches in Atlantic City and New Jersey.
When were the first sunglasses made?
Inexpensive mass-produced sunglasses made from celluloid were first produced by Sam Foster in 1929. Foster found a ready market on the beaches of Atlantic City, New Jersey, where he began selling sunglasses under the name Foster Grant from a Woolworth on the Boardwalk.
Did you know that Sunglasses should be worn for protection to your eyes in addition to Fashion?
Sunglasses are a great fashion accessory, but their most important job is to protect your eyes from the sun's ultraviolet (UV) rays. Some of the sun's effects on the eyesinclude: Cataracts, a clouding of the eye's lens that can blur vision. An estimated 20% of cases are caused by extended UV exposure.
Did you know that sunglasses, in their earliest form, were used in prehistoric times by Eskimos?
The Inuit tribe invented snow goggles, which they created from flattened pieces of walrus ivory to prevent snow blindness. They wore them over their eyes to block the reflected rays of the sun on the ice and snow.
These goggles were traditionally made by piercing slits into the ivory, and fit tightly around the eyes to only let light in through them.
One example of Inuit style snow goggles
Early 1920's sunglasses
Early Modern Developments
An example of James Ayscough's tinted spectacles.
James Ayscough (died 1759) was an English optician and designer and maker of scientific instruments.
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