How to choose sunglasses?

Sunglasses have become something of a cult, whether child, middle-aged, elderly people are likely to wear Ray Ban Sunglasses Outlet, sunglasses can not only against ultraviolet radiation, and it makes people more beautiful. Consumers not only want to know wear sunglasses, but also know how to choose Sun. How to choose sunglasses?

How to choose sunglasses?

Choosing the right sunglasses categories first and understand the function.

Sunglasses are divided into shade, light microscopic, special purpose sunglasses three categories. Regular sunglasses will be indicated on the sign sunglasses category. Sun mirror is used primarily as a protection against the Sun's rays, stronger in light of an outdoor venue, in the suy days of summer, spring and autumn especially when on the beach or go for an outing can help reduce eye fatigue caused by adjusting or injury caused by strong light stimulation. Light mirror on the sun block, less suitable for outdoors in the winter, spring and autumn cloudy and windy season, the role is appropriate to block light or wind, dust, can also be used for decoration. Special purpose sunglasses are to wear sunglasses when you climb or slide.

Ready to buy sunglasses for friends, pay attention to the following several points, the right choice of sunglasses:

1. To know buy Ray Ban Wayfarer Polarized Sunglasses for the purpose of different types of sunglasses have different valid places and populations. Buy sunglasses visor first of all make sure your purchase is for the purpose of decorating is also equipped with clothing, in addition to Sun UV functional requirements, security has no special requirements for lens, only these purposes, combined with style and I face the practical effect, appropriate to buy a pair of sunglasses.

2. To disce sunglasses lenses to the intrinsic quality of the basic skills

(1) The lens color is not partial, should enable the ambient color distortion. In front of not wearing sunglasses, to observe the color objects such as red, blue, green, yellow and wearing sunglasses, observing the same object twice observed color is not the color, otherwise it will reduce the capacity to identify the traffic lights.

(2) The lenses degrees shall meet the requirements for the Plano lens and optical defects that do not affect vision. Like sunglasses to check whether the surface smooth, easy identification, sunglasses can be placed at the front, through the lens to observe the distant goals, such as window frames and door frames, glasses and going back and forth, goals should not swing and wavy deformation. Observing the Sun in a fluorescent lamp lens tube on the surface of the mirror image, move the sunglasses the lamp images show up in different parts of the lens, lamp images without distortion is the best.

3, the right choice of sunglasses to lea to read product identification

'S commitment to the product on the label, consumers may need to lea how to protect themselves, or save the label or description or let the businessman indicated on the invoice, once a dispute, would not be passive, for lack of evidence.

(1) about security performance of identifies has security performance of Sun mirror, its lenses used such as PC tablets, anti-shock of material produced, in label and manual Sang often logo Sang "has anti-shock performance", and "through United States FDA certification", and "meet Europe Supreme standard" wait, if products can reached identifies Sang of requires, on motorcycle hand, and driver, on security has special requires of consumers for, is a is good of select.

(2) about anti-purple outside features of identifies a Deputy Sun mirror whether has anti-purple outside of features, we caot with eye distinguish, factory on products of express commitment is consumers purchase has protection features Ray Ban Outlet Sun mirror of only of reference, we can in some products of label and glasses positive see such as: "100% anti-purple outside", and "UV400", and "barrier all of UV", and "anti-purple outside", express identifies. All regular suppliers of products should be "national industrial product manufacture license" by querying the production license number manufacturer's Web site to see whether the product is a regular factory product.