manufacturing Glasses Prescription of the public

Sunglasses history can be traced back to the age of ancient Rome in 60 BC, Emperor Nero said, watch Gladiator fight, and his eyes polishing Alexandrite, thereby reducing the glare of the sun effect. The first actual recording evidence, can be found in the use of sunglasses, in Italy of Modena, 1352 from the picture, a man wearing sunglasses.
Earlier, about twelfth centuries in China, sun glasses court judge, not to protect their eyes from the sun, but in order to hide in their eyes any expression, because it is important to keep your thoughts and opinions of the secret, until the end of each trial. These flat quartz pane has been polished, and then to their tone.
It was not until the 1430 for the first time in the Italy development prescription to correct vision, these early simple glasses soon found their way to China, where they judge to use colored smoke again. Both the ivory or tortoiseshell frames were carved out, some are very beautiful.
In seventeenth Century the prescription in England was used to help the elderly presbyopia people see better. Glasses manufacturers founded in England began manufacturing Glasses Prescription of the public, his motto is "blessing of the elderly".
Sunglasses development, however, remain unchanged, until the work of James Ayscough, who is known for his work in London microscope around 1750. He experimented with blue and green colored contact lenses, believe they can help have vision problems, certain. These are not part of sunglasses, however, because he did not care to protect the eyes from the sun's rays.