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How to distinguish the sun glasses is good or bad

by:Eugenia     2020-07-22
How to determine the sun glasses is good or bad? Small make up today come from the lens, color, price, feel, try these aspects, tag, uv index to chat well with everybody. Want to be when choosing sunglasses helps distinguish the sun glasses is good or bad. Sunglasses factory YC9702 general sunglasses C1 black box white leg/lens dazzle colour silver in the first place, the choose and buy sunglasses first to check the quality of the lens, lens surface lubrication, warping, grinding crack, bubble, lens warp will cause the line of sight, uneven or trace, bubble, can cause discomfort such as dizziness. At the same time, the lens can't be too thin, not high temperature deformation of the same can also cause dizziness. Second, when choosing sunglasses can be get 45 centimeters from the eye, through the glasses investigation around the vertical and horizontal line, such as frame window or door frame, etc. , then glasses from top to bottom and move around, such as linear distortion or swing, indicated that the lens distortion, unfavorable procurement. After the lens colour also want to consider. Should have enough depth, dark grey is beautiful, dark brown and black, blue and purple is poor, the two lenses will be through more ultraviolet ray, yellow, orange and light red as far as possible need not. Ms sunglasses factory YC9703 sunglasses black/C3 dazzle colour blue how to determine the sun glasses is good or bad? Lens: identify the lens quality have a brief method, 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, to clarify the lens is not flat, concave and convex, attributed to the unqualified lenses. This is for flat light, of course, if is myopia sunglasses that are not in the right. Colour: in addition to the leisure, entertainment, if is really for uv protection, good or purchasing ray-ban grey, ray-ban these true have green, blue, gray shading effect lens sunglasses, due to the relatively soft colors, looking at nature does not change color, is especially suitable for for motorists, because will not affect their part of the traffic lights and traffic signal. Price: a quality excellent lens sunglasses price can't be too cheap, so do not covet is cheap and purchasing a lot of colourful inferior sunglasses, it is usually not color distortion when wearing sunglasses, is the lens easy to wear and tear, the key is to make the eye fatigue, in the long run will bring a variety of eye diseases. Sunglasses factory YC9708 general sunglasses C7 black box silver leg/lens ash: rebuffed choosing sunglasses in 'love at first sight' mode. Picture frame, of course, the beautiful is choosing sunglasses first feel this is really important, but the lens visual comfort and frame wearing comfort is a necessary condition for choosing sunglasses you reason. Look to the United States, wearing uncomfortable, should be eliminated. Try wearing: wearing sunglasses to the sun. In order to better understand the quality of the lens, and under strong light wearing comfort. The night under the condition of bad light or artificial lighting environment, can accurately test the sunglasses. Jia is selected in the light of the day survey fierce, go to the outside of the store had to try wearing sunglasses. Tags: often the small brand sunglasses on easily ignored by people. In fact, sunglasses tags on producers, in addition to tell you glasses also hide a lot of useful information, such as whether you choose and buy glasses sunglasses or light mirror, resin lens or Alexander, and so on. Uv index: for sunglasses, uv index also is to filter out ultraviolet rays, it is important to a standard, the current most sunglasses uv index between 96% and 98%, dark lenses must be better than the light color lenses. Usually 100% of the uv index is unlikely, if have manufacturers claim to own the sun glasses have very good filtering ultraviolet effect, that his cow can have bit of inflating.
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