The seven elements of buying sunglasses must know

Almost every corner of all of them are sunglasses covered surface, and it also stimulated many consumers desire, but can buy sunglasses don't know some skills! Small make up today science will give you about buying sunglasses must know the seven elements: 1, the price. A pair of glasses good sunglasses, the price should not be too cheap, so don't buy a lot of colourful because covet is cheap sunglasses, such as sunglasses are often very uncomfortable when worn, not color distortion, is the lens is easy to wear and tear, but also to the eye, easy to make the eye is very tired. Recommended reading: what is the price of the sunglasses 2, try it. Under the natural light to try wearing sunglasses, best buy if it is night should try in a good light environment, it's can see lens shading effects and defects. 3, comfortable. It is best not to purchase sunglasses with 'love at first sight'. Frame of the beautiful is important, but the lens visual comfort and frame wearing comfort is more important. If you do not have your cake and eat it, fish and also take the bear's paw. 4, tag. When we buy clothes will also care about the price tag and size, but when buying sunglasses are often easy to overlook the small sign. In fact, there are a lot of useful information on the tag, such as the producers of glasses, material, uv index, product type, etc. 5, the lens to identify. Lens quality detection is one of the most simple way, is to take glasses in rocking back and forth in front of him, to see if the object and the lens to move together. If it is, that the lens is not flat, concave and convex, belongs to the unqualified lenses. This is for flat light, of course, if is myopia sunglasses that are not quite sure. Recommended reading: teach you how to identify sunglasses, color 6. In addition to the leisure, entertainment, if is really for uv protection, it is better to buy grey, green, blue, gray these real shade the lens of sunglasses, because these relatively subdued color, looking at nature does not change color, is especially suitable for for motorists, because will not affect their distinguish of traffic lights and traffic signal. 7, UV index. For sunglasses, UV ultraviolet index is the filtering effect, it is important to a standard, at present, most of the sunglasses UV index between 96% and 98%, dark lenses must be better than the light color lenses. Generally 100% UV index is not little, different colors of UV protection level is different also, specific refer to four of the most popular sun glasses
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