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Sunglasses: Difference between revisions
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=== Frames === | === Frames === | ||
[[Image:Wiley-X PT-1 3-lens.jpg|thumb|This sunglass-eyeshield uses a nylon half-frame and interchangeable lenses]] | [[Image:Wiley-X PT-1 3-lens.jpg|thumb|This sunglass-eyeshield uses a nylon half-frame and interchangeable lenses]] | ||
Frames are generally made from plastic, nylon, a metal or [[alloy|metal alloy]]. Nylon frames are usually used in sports because they are light weight and flexible. They are able to bend slightly and return to their original shape instead of breaking when pressure is applied to them. This flex can also help the glasses grip better on the wearer's face. Metal frames are usually more rigid than nylon frames thus they can be more easily damaged when participating in sporty activities, but this is not to say that they cannot be used for such activities. Because metal frames are more rigid, some models have [[spring (device)|spring]] loaded hinges to help them grip the wearer's face better. The end of the ear pieces and the bridge over the nose can be textured or have a | Frames are generally made from plastic, nylon, a metal or [[alloy|metal alloy]]. Nylon frames are usually used in sports because they are light weight and flexible. They are able to bend slightly and return to their original shape instead of breaking when pressure is applied to them. This flex can also help the glasses grip better on the wearer's face. Metal frames are usually more rigid than nylon frames thus they can be more easily damaged when participating in sporty activities, but this is not to say that they cannot be used for such activities. Because metal frames are more rigid, some models have [[spring (device)|spring]] loaded hinges to help them grip the wearer's face better. The end of the ear pieces and the bridge over the nose can be textured or have a rubber or plastic material to hold better. The end of the ear pieces are usually curved so that they wrap around the ear; however, some models have straight ear pieces. [[Oakley (fashion)|Oakley]], for example, has straight ear pieces on all their glasses. | ||
Frames can be made to hold the lenses in several different ways. There are three common styles: full frame, half frame, and frameless. Full frame glasses have the frame go all around the lenses. Half frames go around only half the lens, typically the frames attach to the top of the lenses and on the side near the top. Frameless glasses have no frame around the lenses and the ear stems are attached directly to the lenses. There are two styles of frameless glasses: those that have a piece of frame material connecting the two lenses together, and those that are a single lens with ear stems on each side. | Frames can be made to hold the lenses in several different ways. There are three common styles: full frame, half frame, and frameless. Full frame glasses have the frame go all around the lenses. Half frames go around only half the lens, typically the frames attach to the top of the lenses and on the side near the top. Frameless glasses have no frame around the lenses and the ear stems are attached directly to the lenses. There are two styles of frameless glasses: those that have a piece of frame material connecting the two lenses together, and those that are a single lens with ear stems on each side. | ||
