Sunglasses are a number of options

Sunglasses are a number of options Protect your eyes from harmful rays of the sun is very important when you are spending any time outdoors. Even days are blurred or opaque to protect our eyes. Here are some considerations. Sunglasses are available in a bewildering variety of ways, never so many options to choose from. With all the diversity you? Everyone wants to know in advance what are the differences between the dyes, reflective, photochromic and polarizing lenses. Of course, the style of the frame and the size of the lens becomes evident when the differences in shopping for sunglasses. It is also important to know exactly what you plan to do? ll be with your sunglasses. Sunglasses easier for us to see light. Some glasses protect against ultraviolet (UV) rays while reducing glare and protect from physical damage that can cause the eyes. Everyone is in danger, on Sunday related eye problems. People, the long hours of sun during work or outdoor activities are at higher risk for someone who works within the whole day. Other people may be at higher risk of eye - if the damage is on some drugs, such as tetracycline, birth control pills, diuretics and sulfo drugs. UV light can damage the coea and retina, so that with a good pair of sunglasses the UV can be eliminated from the beginning of the eye completely. Regardless of sunglasses should be as UV protection. And 'good looking glasses that block the sun from all angles, best achieved with a large framed pair that wrap around the face. Purchase sunglasses that block both UVA and UVB rays, the lenses must make when buying if they do not? t specify what is the protection it is better not to buy. On the use of sunglasses is a good idea to wear a big hat. Manufacturers use different colors to color specific results for a wide range of sunglasses are. The color of the dye, the spectrum of light, all of sunglasses. O yellow gold is compared with the reduction of the color is blue, while the other through the light. Blue light tends to dazzle also known as blue haze. Gray colors are usually as a general-purpose paints to reduce the brightness of color with little distortion. The gray lenses are a good target for general use and driving. Brown and yellow Another example of good all-purpose glasses. They reduce glare, absorbing blue and UV rays. Blue and purple has been shown to contribute to the formation of cataracts. Purple and pink are great choices for water sports or golf, because the contrast of objects against a blue or green. Green color is a popular option, because they absorb some blue light, while reducing glare. To see a pair of reflective sunglasses are the pair with the mirrored look. Reflective sunglasses with a reflective coating as a half-silvered surface is very low in a thin layer. The reason why the process is called a half silvered is because the reflective molecules applied the glass evenly distributed, but only half of the glass is covered because the process fleckig. Thus, the surface is only about half of the surface on the light, leaving the other half with glasses. Many types of mirror lenses are available in forms that have additional slope protection on the top of the glasses with less protection at the bottom of the lenses. Mirrored sunglasses are unfortunately easily scratched so extra caution must be used to make them protected. Both prescription eyeglasses and sunglasses, which when exposed to the sun darken photochromic (or photochromic), sunglasses. The special lenses to work through a chemical reaction with UV light. The lenses are millions of molecules of substances such as silver halide or silver chloride. If the lenses are UV rays from the sun, the slower the molecules of a chemical reaction is responsible for absorbing light so dark. Without UV light, the lenses retu to their original state, it should be noted that the lenses do not darken in the car, like the windshield to block most ultraviolet light. Most photochromic lenses, however, is a po 'di tint to them so that they have during the trip. It helps to know a little 'bias to understand why polarized sunglasses work. Polarization happens when radiation, especially light transmitted, scattered, broken or reflected on vibrate only in a certain direction, it can happen, and, of course, artificial. An example of polarization is natural, if you look at the sea or a lake, the glare from the surface is the result that the light is not through the filter of water, so you can not see below the surface. What polarized lenses are not allowed, the vertically polarized light, so that more horizontal surfaces such as highways and water. A good test to see if sunglasses are polarized or not, is a reflective surface and the glass in front of the area you want to view, slowly rotate the glasses to see if the glare reduced when the glasses are polarized. Photographers often special polarized lenses on top of their ordinary lenses to avoid unnecessary glare from surfaces. There are some additional features of sunglasses, in the quality of the lenses. Scratch resistant coating is achieved by applying a thin durable film on the surface of the lens, which extends the life and safety glasses, as it is almost impossible to wear glasses with a new high, while you try to display correctly. Anti-reflective coating reduces what is known as back-glare, a result of light striking the back of the rebound in sunglasses and eyes. Finally, the coating is the most popular UV coating or ultraviolet rays. Some of the major problems of the eyes with UV light, both UVA and UVB rays. A good UV coating on sunglasses is to eliminate the UV radiation, it is important to verify that the filter glasses hundred percent of UVA and UVB rays, which should be a brand of sunglasses on your specify this information. Sunglasses are available in a variety of design, selection of colors and styles. Popular designers offer glasses in prescription, men? S, women? S, Sport and junior grades. A proposal, when buying sunglasses is to try and choose a pair that blocks the light from all angles, preferably one that covers the entire face, that is, if you want the ultimate in eye protection. Obviously with all the options available to you? ll largest Choose sunglasses that block UVA and UVB radiation in a style, comfort and proper fit. Whatever you decide to wear sunglasses, you do not feel safe you know, the harmful rays to enter in you? King eyes. By properly take care of you? King eyes can hopefully avoid problems such as cataracts, cancer of the eye or photokeratitis (sunbu of the retina) and macular - degeneration (which is the most common cause of blindness in people over 65). There, for some 'money for a pair of sunglasses with one hundred per cent is a smart investment.