When we choosing Brille online, first we should make sure our own purpose if it is to prevent the sunshine, to match the clothes, or to decorate? In addition to the effect of shading sunlight, is there any requirement in the aspect of anti-ultraviolet function? Do you also have specail requirements for the safety of lens? Only if you clear these objectives and combine the style and the actual effect on my face, can you purchase a pair of suitable sunglasses.

To protect eyes, we can choose sunglasses with the function of preventing UV, which can eliminate UV below 380nm. The lens of sunglasses with safety protection is made from impact resistance materials, such as PC. It is a good choice for consumers like motorcyclist and drivers who have special demand for safety performance.

When buying the products, consumers should ask for intact overwraps, which are the promise for the function of the products from the manufactories. Or let the businessmen give clear indication of these additional protection functions in the invoice, once the dispute occurs, you will not be passive for lack of evidence.

The selection of the color of lens dark or light should depend on the places of the required activities. In order to effectively block the strong light in summer, the color of Vollrandbrille should have sufficient depth. But people who ride a bike or drive a car should not choose lans with dark color, otherise, the discriminate judgements would be affected or even worse, accidents would happen.

The color of lens can not be partial, and it should not make the color of the surrounding environment distort. Before you wear sunglasses, please observe the objects of red, green, yellow and other colors first. Then wear the sunglasses and observe the same objects, which can test whether the colour of the lenses have any problems.

Sunglasses with the color of light gray, brown or smoke are excellent. And then green, amber, blue and so on. Red is only used in a sun bath or on snow ground. Improper wearing of sunglasses will make you get eye illness, it is unnecessary to wear sunglasses in cloudy and indoors.

Some people are always wearing sunglasses regardless of settings and sunlight intensity. It will definitely add to the burden of regulating the eye, causing ocular tension and fatigue, and visual deterioration. The infants and children whose visual system development is not perfect are not suitable for wearing sunglasses.

In addition to glass sunglasses, the wearing resistance of other lens materials is not great. Users should always notice the surface of Vollrandbrillen. When the wear and tear affects clarity, they should be promptly replaced.