subject: Guidance for picking up right prescription sunglasses [print this page] Guidance for picking up right prescription sunglasses
Unusually, we judge sunglasses from its quality and aesthetic. And aesthetic+s usually come+s with personal liking or disliking, but there are some quality standards . And the current standard for sunglasses is F.A.D. According to F.A.D the sunglasses lenses should filter over 90% ultraviolet radiations. And the lenses should +be label+ed with "UV- 100PROTCT10N" or "UV- 400PROTCT10N". Therefore, looking at the label while buying sunglasses is very important.
Besides, if you have vision problem and need to correct , you should take seriously to your eye prescription. You'd better have an eye test, and then buy your prescription sunglasses from some professional stores as the optometrist will install lenses according to your eye conditions.
To follow the fashion style, today, sunglasses can be colorful. No matter you want to buy PLANO sunglasses or prescription sunglasses, you can choose lens color by yourself. But in a way, the color can affect the visual result that the sunglasses brings to you. Generally speaking, grey, brown and green colors are the best choice. Now, let's look at the different colored sunglasses.
Grey colored lenses can absorb almost 100% ultraviolet radiation and infrared ray. Besides, its subdued color can release your tired eyes. So, grey colored sunglasses are the best good choice to protect eyes.
Green colored lenses can absorb 99% infrared ray and 99% ultraviolet radiation. But the color of sights may change through green lenses to our eyes. Nevertheless, green color could provide the comfort+able cool feeling, so it is also a good choice for lenses.
Yellow colored lenses can also absorb 100% ultraviolet radiation and a lot of blue rays. This makes us look clear world. Therefore, we can see a lot of people wear yellow colored prescription sunglasses for hunting, shooting. And this color is also commonly used by lot of people.
Apart from choosing the right color, there is still something you should pay attention to when you choose sunglasses. Generally speaking, you should choose sunglasses according to your personal liking and their usages. But the basic principle to choose sunglasses is the visual safety. Therefore, no matter you have good eyesight or not, you should have an eye test and get prescription sunglasses.
In addition, in order to choose one right pair, you should also learn to read products label. A pair of qualified sunglasses should have the following functions, namely reducing the harm of strong lights, providing clear eyesight and preventing ultraviolet radiation. If the sunglasses have any defects in the above functions, you should not wear them.
