Sunglasses are a fashion item that have been around for centuries, they give style and grace to the person wearing it. Good quality sunglasses also help to protect the eyes from the harmful effects of the sun.
The use of sunglasses dates back to the prehistoric time when the Inuit people wore flattened walrus ivory glasses to block from the harmful reflected rays of the sun. The earliest historical reference to sunglasses dates back to ancient China and Rome. The Roman emperor Nero watched gladiator fights through polished gems
Glasses were used in China in the 12th century. They were made of lenses that were flat panes of smoky quartz.
The first set of polarized glasses were created in 1936 by Edwin H. Land when he used his polarized patented polarized filter when making sunglasses.