the sunglasses and the eyelids

Cheap sunglasses, easy to maintain, and can be replaced easily, if broken, but the brand is very expensive, can also be maintained very expensive, if broken, change the lens or frame will be very expensive. So it is the ideal, you go to a cheap sunglasses.
Two-tone cheap does not mean, we choose is not qualified. The unqualified products, rather than for you to provide protection, may be harmful to the eyes, so it is necessary, you choose what kind of quality control but also affordable.
In the UK, choose sunglasses, wear UV protection is very high, and the greater the lens will provide eye protection is very good. The new study found sunglasses industry, around the eyes like a teardrop; will cover the eyes of a person and a better. This makes the stray light, between the sunglasses and the eyelids to the eyes usually across a person's edge.
In the UK, European standard has 4 score of "0" investment rating means sunglasses to block ultraviolet is it right?. Marked with "2" is not enough sunglasses that block UV radiation. "6" refers to special high-voltage protection, prevent ultraviolet ray is the smallest. UHV "7" means, sunglasses have less than 6% of the ultraviolet light is blocked in the uk. Marked with the CE logo Sunglasses means the sun glasses may block 400% of ultraviolet light. However, the CE is not required, in the UK, as it is in other countries.
Because your eyes are so important to you, everything you do, you should take extra special care of their. Instead of buying cheap sunglasses, it is better, to spend more money, and get the best.