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Sunglasses: Difference between revisions
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Corrective lenses can be darkened to serve the same purpose, or secondary clip-on dark lenses can be placed in front of the regular lenses. Some lenses graually darken with bright light and lighten in darkness. These are known as [[photochromic lens]]es. | Corrective lenses can be darkened to serve the same purpose, or secondary clip-on dark lenses can be placed in front of the regular lenses. Some lenses graually darken with bright light and lighten in darkness. These are known as [[photochromic lens]]es. | ||
Sunglass lenses are made from either glass or plastic. Plastic lenses are typically made from [[Polymethyl methacrylate|acrylic]], [ | Sunglass lenses are made from either glass or plastic. Plastic lenses are typically made from [[Polymethyl methacrylate|acrylic]], [https://vatlieunhaxanh.net/danh-muc/tam-lop-lay-sang-poly/ polycarbonate], or [[CR-39]]. Glass lenses have the best optical clarity and scratch resistance, but are heavier than plastic lenses. They can also shatter or break on impact. Plastic lenses are lighter than glass lenses, but are more prone to scratching. They do however, offer more resistance to shattering than glass. Polycarbonate lenses are the lightest, and are also almost shatterproof, making them good for impact protection. <!--They are probably more expensive, though. Right?--> CR-39 lenses are the most common plastic lenses, due to their low weight, high scratch resistanc, low transparency for ultraviolet and infrared radiation, and other advantageous properties. | ||
For sunglasses that also include vision correction, see also [[corrective lens]]. | For sunglasses that also include vision correction, see also [[corrective lens]]. | ||
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'''Teashades''' were a type of [[Psychedelic art|psychedelic]] wire-rim sunglasses that were often worn, usually for purely aesthetic reasons, by members of the 60's drug counterculture. The common teashade is supported by pads on the bridge of the nose and has a thin wire frame. A uniquely-colored or darkened glass [[#Lens|lens]] was usually preferred, perhaps to hide bloodshot eyes from [[Cannabis (drug)|cannabis]] use, but probably more often simply as a fashion statement. | '''Teashades''' were a type of [[Psychedelic art|psychedelic]] wire-rim sunglasses that were often worn, usually for purely aesthetic reasons, by members of the 60's drug counterculture. The common teashade is supported by pads on the bridge of the nose and has a thin wire frame. A uniquely-colored or darkened glass [[#Lens|lens]] was usually preferred, perhaps to hide bloodshot eyes from [[Cannabis (drug)|cannabis]] use, but probably more often simply as a fashion statement. | ||
The term has now fallen into disuse, although references can still be found in literature of the time. Teashades are briefly referenced during a police training video in [[Hunter S. Thompson | The term has now fallen into disuse, although references can still be found in literature of the time. Teashades are briefly referenced during a police training video in [[Hunter S. Thompson]]'s ''Fear and Loathing in Las Vegas''. | ||
=== Glacier Glasses === | === Glacier Glasses === | ||
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H. Land began experimenting with making lenses with his patented [[Polaroid]] filter. | H. Land began experimenting with making lenses with his patented [[Polaroid]] filter. | ||
Hall & Oates saxaphonist [[Charles DeChant]] wore sunglasses in his appearances in the Hall & Oates music videos. Charles was often referred to by the band as Charles "Mr. Casual" DeChant due to his fashion accumen. | |||
In [[2004]], [[Oakley (fashion)|Oakley]] developed ''Thump'', sunglasses with built-in digital audio player. This design has been copied by a number of smaller companies. | In [[2004]], [[Oakley (fashion)|Oakley]] developed ''Thump'', sunglasses with built-in digital audio player. This design has been copied by a number of smaller companies. | ||
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*[[John Petrucci]] (Guitarist of [[Dream Theater]]). | *[[John Petrucci]] (Guitarist of [[Dream Theater]]). | ||
*Sam Gill (Australian saxophonist, known for his large collection). | *Sam Gill (Australian saxophonist, known for his large collection). | ||
* | *Bono (Lead singer of [[U2]]). | ||
*[[P.Diddy]] (Hip-Hop/Rnb Artist). | *[[P.Diddy]] (Hip-Hop/Rnb Artist). | ||
*[[Liam Gallagher]] (Lead singer of Oasis). | *[[Liam Gallagher]] (Lead singer of Oasis). | ||
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== Notes == | == Notes == | ||
{{reflist}} | {{reflist}} | ||
<references /> | |||
[[he:משקפי שמש]] | [[he:משקפי שמש]] | ||
