subject: Ray ban sunglasses for mens | Sunglass For Womens [print this page] Fashion trends keep changing every day and with the arrival of the new year, what was in vogue last year, is out of fashion this year. You will come across clothing fashion trends 2010 and even hairstyles 2010 trends, but have you ever wondered what are the latest eyewear trends 2010? If you are a true fashion conscious diva, you will not forget to find out what's hot and what's not in the new eyewear trends 2010. Men need not feel left out as there is plenty in store in eyewear trends 2010 for the darker sex. The action stars can go in for bold color outlines and bright plastics. You can go in for contrasting tones to frame fronts and translucent frames with clear lens or lens with a hint of tint. Round and square frames that have dropping or unswept temples or even distinctive keyhole bridges are in vogue. You can add colors and patterns to your black or tortoise frames and add a bit of modernity to the vintage look. Mystery is back in season and you can go in for the 2010 trends in eyewear that includes dark gradient, mirrored lens. You can add to the magic of secret with matching frames and lenses that give a look of one piece. A sleek, sophisticated look can be created by oversized flat top frames with added metal accents.You spend hours at optic stores to choose the right frame for your face. After all, shape of the frame and color of the glass needs to suit you. If you are suffering from myopia or hypermetropia, you need to make it a point to buy the best quality lens. Even while purchasing a pair of sunglasses, a quality lens that gives maximum protection to your eyes is required. Initially you take extreme care of the lens, lest they should break. You are very concerned about placing the lens at appropriate places and cleaning them everyday. But gradually care diminishes and you start handling it carelessly. At times you forget where you have kept them and sit over, unnoticed. As a result the lens cracks and you have to get it mended. It's very common in children, when they wear new glasses and take least care of them. Instead of knocking the doors of mechanics, have you ever tried to replace your eyeglass lens at home? If your answer is no, then read this article on eyeglass lens replacement.The transition lenses work because they have photochromic properties. The photochromic properties are brought about because of their ability to change tints in UVB and UV rays. These tints are made possible due to a particular patented dye that helps to activate the lens. This dye is embedded in the form of micro-crystalline silver halides or molecules in a glass substrate. These silver halides are usually taken in the form of silver chloride and work for pieces that are made from a glass material. Similarly, for glasses that are made from a plastic material, organic photochromic molecules are used so that the reversible effect can be achieved. These molecules are usually taken in the form of oxazines or naphthopyrans.As said before, these lenses (or rather the properties in the lenses) react to the UV rays and begin to turn darker as a reaction to the rays. These will begin to darken in less than a minute when they come in contact with the UV rays and will continue to darken very slightly over a period until they finally adjust to allow only a stipulated amount of light to enter the eye. They do not darken to the point of turning into sunglasses. The minute a person gets away from the UV rays, the lens start to fade and come back to their normal color. This takes about 15 minutes and many say that the change is not even noticeable. These do not work as effectively in vehicles because a car's glasses are already protected from the UV rays.
