From which should be paid attention to choose sunglasses sunglasses syndrome

In the hot sun, many people like to wear a pair of sunglasses, can prevent sun damage to the eyes, but also as a decoration, foil a your own temperament, kill two birds with one stone of it. But it is important to note that improper selection and wearing sunglasses, will hurt your eyes, damage eyesight. Is the abuse of disaster sunglasses factory YC9708 general sunglasses C7 black box silver leg/lens ash: have you ever heard of 'sunglasses syndrome'? It does exist, and tend to appear in some fashionable young people. Continuous sunglasses 1 ~ 2 weeks later, the eyes or between two cheek can appear the symptom such as skin numbness, perception dull, have nasal breathing discomfort feeling, like had a cold, some people still can feel the bugs crawl on the face, eyes acid bilges, etc. This is because they often wear edge width, thickness, weight of heavy glasses. In addition, some people like to wear sunglasses, regardless of time and place, outdoor or indoor, even the twilight, watching movies, watching television are wearing it, it will increase burden of eye, eye muscle tension, blurred vision, serious when still can appear the symptom such as dizziness, not long. The symptoms are the result of the abuse of sunglasses. Choose a pair of healthy sunglasses sunglasses factory YC9712 men sunglasses C1 gun/green to choose a good pair of glasses, in addition to pay attention to the design of sunglasses, the following three details cannot be ignored. 1. With uv uv protection signs is the prime function of sunglasses, some sunglasses lens or on the package such as 'UV400' and 'uv' logo. If wear the inferior sunglasses can't block ultraviolet light, into the eyes of ultraviolet rays more than when not wearing sunglasses, are more likely to lead to eye damage, after a long time can cause cataracts, there will be a sore eyes, corneal edema, corneal epithelium fall off wait for a symptom. Regular store had usually have sunglasses uv protection ability of the measurement instrument, can detect your choice is correct. And the small street vendor, vendor glasses often quality does not conform to the standard, it is best not to buy. 2. Choose gray, brown and green glasses lens distortion of color choice should be the color of the surrounding environment, the edge of the object is clear, can effectively identify the different color lights for the principle. Lens color with gray, brown, green is good, because these color lenses of infrared, ultraviolet absorption is good. 3. Medium depth of lens ray-ban RB4242 unisex eyeglass frame 6201/13 brown in general, the color of the lens the deeper the shading effect is stronger, but do not show the ability of uv protection is stronger, sunglasses uv protection function is related to the factors such as lens materials, process. Lens is medium depth is good, of course, if required shading effect is very strong, should choose the darker lens. But cycling lenses or drivers can't choose the color is too deep, otherwise it will be difficult to identify the color of the traffic lights. Determine choosing Angle to an activity, different occasions should choose different sunglasses. Some sports sunglasses, for example, their frames are tailor-made, depending on the need to protect your eyes, can be comfortable to wear, such as water skiing, skiing, hiking, golf, tennis has adapted to the sunglasses. For men who love golf and tennis, amber lens can effectively increase the contrast and absorb blue light, help visual comfort. Outdoor swimming best wearing after uv treatment of swimming goggles. Driver, fishing enthusiasts had better choose polarized sunglasses, because of the polarized lenses can eliminate dazzle light from all directions, make an object look clearer. Make sunglasses to beautiful points, generally speaking, different people will according to different preferences and different use to select the sunglasses, but it is the most fundamental to can protect the wearer from the basic principle of eyes from damage. Reduce glare, see things clear deformation, uv protection, no distortion of color identification, accurately identify the traffic signal, should be the basic function of the sun glasses. In addition, the choose and buy sunglasses also have to consider it with your own size, face, eyebrows, eyes, nose, matches. Big eyes can choose a big picture frame glasses, eyes smaller should choose smaller frames; Round face wear bulky framework, slender face for circular frame, and appropriate chooses circular face slightly narrow rectangular frame up and down. Who should not be wearing sunglasses as a kind of adornment sex is very strong, everyone likes to wear sunglasses, but not everyone is suitable for it. After wearing sunglasses, reduced of visible light entering the eye, the pupil will naturally open, after a long time, easy to induce acute angle-closure glaucoma, envy, sore eyes, eyesight drops sharply and other symptoms. So, glaucoma patients or suspected patients with glaucoma should not be wearing sunglasses. In addition, children under the age of 6 are not suitable for long time wearing sunglasses. The visual function development because they did not reach the level of adult, wearing sunglasses for a long time are likely to form amblyopia.
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