Sunglasses can only wear in summer?
Polarizer how to choose?
Visit bloomy spring days, suitable to go out for an outing.
Pedestrian street, the park, in the sun, fly a kite, family harmony, lives very comfortable.
But also found a problem, in the sunshine, few people wear sunglasses to protect his eyes, inquiries, and get the same answer: the sun when wearing sunglasses is summer, spring, the sunshine is very moderate, don't need to wear.
But, the fact is it true?
Sunglasses, and used as shade.
People usually take in the sun by adjusting the pupil size to adjust the luminous flux, when more than the human eye light intensity adjustment ability, will cause harm to the human eye.
So the sunglasses only wear in the summer is the theory of the error, as long as it is in the outdoors, all need to use sunglasses to keep out sunshine, to relieve his eyes to adjust the damage caused by fatigue or strong light stimulation.
Sunglasses factory YC9705 general sunglasses C7 white/color purple to teach you how to choose the sunglasses sunglasses, as long as no special points out, is only a block glare, filter ultraviolet these two basic functions.
Such sunglasses function is unitary, technical content is low, and the polarized sunglasses with ordinary sunglasses big different, is that it also can prevent glare and reflection.
Smooth and flat plane can be a reflector, these common reflector in life often suddenly to reflect light, it will bring a lot of inconvenience to our life.
Drivers, for example, in front of the mirror is a reflection of an uncertain light source, the side of the road surface or passers-by with smooth planar objects may be a reflection of light source, the reflected light is likely to trouble or even danger to the driver's driving.
Polarized sunglasses is in view of the reflected glare, to filter out, have the effect of preventing vertigo, and travel in the summer also can make the vision more clearly, alleviate visual fatigue.
So whether to drive or go out for an outing mountaineering, skiing and other outdoor activities, to choose a pair of polarized sunglasses can make our eyes more relaxed and comfortable.
Sunglasses factory YC9708 general sunglasses C7 black box silver leg/lens ash that how to choose and buy polarized sunglasses first consideration is the quality.
Is the prime function of polarized sunglasses uv filter and polarized light, the good polarized lenses can stop more than 90% uv penetration, choose to contain 'UV400' beautiful polarized sunglasses block uv logo;
If wearing inferior polarized sunglasses, with the human eye in the dim light, the eye pupil get bigger, into the eyes of ultraviolet ray, can increase the damage to the eyes.
Second consider wearing comfort.
Real polarized sunglasses to wear comfortable, if put on after the discomfort, dizziness, headache, dry eyes, tingling feeling bad words please hurry up.
Generally inferior lenses when making no technical and functional, the lens material is also very poor, choose inferior polarized sunglasses can protect your eyes, instead will cause harm, do more harm than good.
Then focus on the picture frame protection function.
Polarized sunglasses in addition to uv protection, avoid bright lights, filtering, dazzling glare and other basic functions, most of the polarized light sports sunglasses frames are veneered radian design, can effectively prevent wind and foreign bodies in the outdoors to the stimulation of the eyes, and the stiffness of the polarized lens and the material of frame flexible degree to consider whether will produce harm to human body.
Vision to the real nature.
Polarized sun glasses color choice should be the color of the surrounding environment of distortion, clear the edges of the objects and 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, can improve visual contrast and clarity, under the condition of air pollution is serious, or foggy wearing effect is a plus.
That we how to identify the quality of the polarized sunglasses? 1.
General regular store will have capability of the sunglasses uv resistance measurement instrument, instrument tests, standard can know whether the glasses in your hand;
Inspection sunglasses quality stand or fall of simple method is: can use yanchao pen or counterfeit detector of ultraviolet light, by looking sunglasses uv logo design on the yuan, if the poor quality of sunglasses, no barrier to ultraviolet ray, can still clearly see the uv logo design on the yuan, on the other hand, such as the quality is good, can't see.
Above finishing editing by glasses sunglasses factory network, for more information please see sunglasses glasses factory network, website: https://www.
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