Since 1980s when transition sunglasses came into being, they found favour with eyeglass wearers, especially among drivers. The lenses of transition sunglasses are able to change into different color according to the change of external environment. With them, the wearers have no need to put on and take off eyeglasses too often, which is fairly inconvenient. However, the exports want to remind customers that choosing transition sunglasses require great consideration, or eye health would be threatened.
Transition sunglasses of poor quality are fairly bad for eye health. Wearing badly made transition sunglasses, wearers would frequently suffer from dizziness and sore eyes. In addition, the lenses are inclined to get dark after about one month usage. That is to say even in soft light environment, the dark color of transition eyeglass lenses would not get faded, as result of which clear vision can not be provided. For divers, if the color of the lens can not be able to return back to light color when cars are driven into dark places, they are hardly see roads ahead. Plus, vision forward get blur. Especially in forest road sections, visibility is fairly low. Consequently, accidents are probably caused.
In to the bargain, despite the fact that color of the transition sunglass lenses are able to change with the changing of brightness of sunlight, poorly made ones are not able to block UV. When exposed to the sunlight for too long time, either skin around eyes would get hurt, so even would the eyes.
Therefore, to tell genuine transition sunglasses from fake ones is fairly important. We could discern them from the cost and relative certificates. Usually transition eyeglasses that sold at a very low price is fake ones and those with unaddressed factory can not be genuine ones.
What’s more, clinical medicines discovery that wearing transition eyeglasses for too long time, people would keep their eyes pupillary dilation. As a result, more UV would be injected into eyes, which is fairly unhealthy, if things go on like this, pupils would act slow to make certain mediation according to the intensity of light outside. Then eye diseases, like cataract would be induced.
All in all, when you are intended to buy transition eyeglasses, to choose well qualified ones are important, what’s more, reduce the time and times to wear them for the sake of eye health.
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