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Hot summer is coming, the sunlight is really shinning, it is really a common knowledge that the UV rays, which are also known as Ultra Violet in sunlight, are not only harmful to our body skins, but also pose some dangers to our eye balls. Especially for our kids, they are desperately need to wear prescription sunglasses for their eye protection, as according to some experts, 90% of the whole life harmful UV rays one’s eyes absorb are shaped up before the age of 18! We may all need to long time of wearing sunglasses when we are outside, even though it’s the cloudy day, the majority of the harmful rays are UVA and UVB rays, which can pass through the clouds and damage your eyes, and that’s the reason why some guys get their eyes sun burned when they are out at a cloudy day. Actually, people wear prescription sunglasses today not only for the function, abut also fashion.
So, how can sunglasses protect our eyes by reflecting the light and glare? Actually, it depends on the lenses applied and the coatings, you may find there are varieties of tint lenses for you to choose when buying sunglasses. That’s true, as each certain type of color has its own ability and feature to UVA and UVB rays, which are dangerous to our eyes. And the coatings also contribute greatly to these harmful rays, such as anti-reflective coatings, which are also known as AR coatings, they can not only reflect the glare from both the outside and inside of the lenses, but also block the UV rays effectively. Fishermen and drivers can especially benefit from these sunglasses due to they need them to cut down glare and reflections when they engage in driving and water!
However, when it refers to buy prescription sunglasses, it doesn’t necessary mean all sunglasses have quality effect of blocking UVA and UVB rays, some even put side effect for your eyes, and there are mountains of unqualified ones in today’s market. So, the question what are they rated for is really important for the optician whey you buy prescription sunglasses, if they cannot give you a detailed answer, come to another store for instead, until you find the qualified one!
So, whatever you choose your prescription sunglasses in local stores or online vendors, you should remember that, our eyes are vulnerable, they should be treated carefully, just keep your eyes open when buying such eyeglasses!
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