When I do upgrade my computer I'm looking forward to fighting with Microsoft to get my money back for the OEM Vista whose license I decline.,because sensitivity to light was one of the symptoms of the disease. In prehistoric and historic time, Inuit peoples wore flattened walrus ivory "discount Oaklay sunglasses," looking through narrow slits to block harmful reflected rays of the sun.
In the early 1900s, the use of sunglasses started to become more widespread, especially among stars of silent movies. It is commonly believed that this was to avoid recognition by fans, but the real reason was they often had perennially red eyes from the powerful arc lamps that were needed due to the extremely slow speed film stocks used.. The stereotype persisted long after improvements in film quality and the introduction of ultraviolet filters had eliminated this problem. Inexpensive mass-produced sunglasses were introduced to
Polarized cheap Ray Ban sunglasses first became available in 1936, when Edwin H. Land began experimenting with making lenses with his patented Polaroid filter.