Sunglasses and Goggles

Sunglasses and Goggles

Sunglasses or sun glass are a type of protective eyewear primarily designed to keep the eyes safe from bright sunlight and high energy visible light from the sun and harmful UV rays. Sunglasses have been a popular fashion accessory for quite some time now and their use has been prevalent in many sports, entertainment, movies and television programs. They have also been used as a means to control and limit the potential damage that the sun's powerful ultra violet rays could do to our eyes and have even found application in military operations. occhiali da sole chloé donna Sunglasses provide protection from harmful UV rays and other direct sunlight by redirecting these harmful rays towards a much smaller portion of the eyes, which is then absorbed by the lenses and filters within the eyeglass lens system. This provides a degree of protection against the harmful rays of the sun without blocking out all other visible light. The human eye cannot filter out all the visible light that it comes into contact with, but the eyeglass lens system can, with the help of special lenses and filters designed specifically to filter out these rays. When the rays of the sun (with the exception of the UVA and UVB rays) are blocked out, the pupils dilate and become smaller, resulting in reduced visual clarity, especially at night. The weakening of the eyesight brought about by such exposure is often called mac

   
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