Amazing facts about the glasses and lenses

• Surprising facts about the glasses and lenses

Points invented by people for a long time, which means that people have always thought about how to correct poor vision. In the era of new technologies, permanent residence under artificial light, more and more people are suffering from poor vision. This means that the glasses or their alternatives are in great demand. Also glasses firmly in vogue and do not always act as a corrector of view. Sometimes they are just for beauty. But there are sunglasses that perfectly protect your eyes from excessive sunlight in the summer. This article contains the most amazing facts about the glasses and lenses.

The first points were invented a long time ago, about the 10th century in the Arab countries. It is also known that the Eskimos protect eyes from the sun with glasses made of bone or pieces of wood with hollow holes.

The first lens invented by Leonardo da Vinci, but then they were made of glass. Now, polymeric materials are used more often

The leader in eyewear recognized Italy, second place went to the country of high technology - to China.

Sunglasses were invented by the inhabitants of the Far North. Designed goggles to protect from glitter snowfields.

The Europeans used sunglasses primarily to protect from the sun, but the Americans also use them to equip police and military. These glasses are more durable and are made of bullet-proof material. Soldiers sunglasses have a great range of choice models. Police use dark glasses to hide their emotions and give the image of authority.

The basic popularity of sunglasses purchased from the fact that they were before the actors. Use glasses to protect the eyes from ultraviolet radiation, because the actors have often been due to arc lamps, which are used while on the set. Reddened eyes of actors, and they wanted to hide it.

Today uses mass points - from image to safety, but most still for vision correction, because no one wants to see the world blurred.