It may shock you to learn that sunglasses werent always used to protect peoples eyes from the sun. The history of sunglasses dates back to ancient China and Rome. It has been reported that the Roman emperor Nero enjoyed watching gladiator fights through polished gems. In China, sunglasses were used in the twelfth century or even earlier. Sunglasses were first made out of lenses that were flat panes of smoky quartz. These types of sunglasses could not correct vision, or protect from harmful UV rays, but did reduce glare. Chinese judges used the smoky quartz glasses to hide their facial expressions when they interrogated witnesses.
Sunglasses did not undergo further changes until about the eighteenth century because of the work of James Ayscough. He experimented with tinted lenses in spectacles. Ayscough was steadfast in the belief that glasses tinted with a blue or green color could potentially correct specific vision problems. Ayscough was not concerned with protecting the eyes from the suns rays.
Sunglasses underwent the change into the popular item they are today when Sam Foster introduced them to America in 1929. These sunglasses were designed to protect...
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