World

Summer is the world of suglasses, fashion, sunglass is beautiful, radiation-proof, these functions let people more like wearing sunglasses, concerned expert points out, the choice to be more careful when sunglasses, not only pay attention to style, but ignore sunglasses itself quality problem. The following four unqualified sunglasses don’t wear:
1 anti-ultraviolet function misfit Sunglasses. Good sunglasses, can block eclipse lens 99% of ultraviolet ray. Wearing sunglasses ultraviolet prevention function, like in the eyes, now sees a pupil can greaten, instead of residual radiation into eyes, can make eye damage.
2 the rate of the unqualified sunglasses. Wear, can produce traffic signal recognition obstacle, easy cause traffic accident.
3, not mark the logo category sunglasses. Sunglasses are generally divided into three categories, namely for the lens, used to decorate the shading and color used to prevent XueMang or special glasses of water surface radiation.
4 combat performance requirements of sunglasses. When the external shocks in lens easily broken, for man’s eyes fragments formed lethal damage.
The expert warns broad customer, buying sunglass should try to select high-quality polarizing glasses.

The dazzle beautiful suglasses Maintain the method as the sun glasses, cleaning, maintenance glasses to collect, store fold habit. But the sun glasses DaiDai often take off from scratch, carelessly, and so has a few little detail to special remind you: the sun glasses have stains, don't use adhesive nails to dig, easily scratch the surface of injury.
Don't wear Sunglasses, many people will hang on the head, without pockets, or the body movement range is too big, so don’t break or damaged. Or someone will be put inside the bag, suggest you or in hard eyeglasses box, then in handbags, lest by key, comb, COINS etc, with little to wear glasses or lipstick etc cosmetics.
Motorists wear sunglasses, don’t wear often conveniently placed on the dashboard seat or, this is very bad habits, the hot weather will not baked in the Sunglasses, especially the plastic frame, the best is to take off, or collections in glasses in the box implantation.

The Green and brown sunglasses can withstand the deadline.
Glass, the eyes of the resin.
When buying sunglasses will draw on the counter, sunglasses, if not smooth, glasses placement problem. Frames

When choosing Sunglasses feet hand of fluorescent lamp, mirror the gentle rolling glance. If the sun appears specular light waves, distorted lens uneven, proof. This lens can damage eyesight.

Eyes are very sensitive organs, so choose sunglasses when will lens quality in the first place, high definition, Lens.
A few days ago the experts said the life is good as long as uv
30 yuan and brand difference only after-sales service
Identify whether uv
Choose when buying used ultraviolet lamp (small yanchao lights, and can occur with instruments of ultraviolet ray to buy) the illuminate eyeglass lenses of ultraviolet ray, then if anti-fake markers invisible ultraviolet anti-counterfeiting mark of RMB will explain the Sunglasses to 100% uv, and will not have uv function.

About three countries claimed that their firstly invented the sunglasses. The Spanish missionaries 500 years ago in the book from China to mention their glasses, but not real. Another 500 years ago that the eskimos use a wooden FengJing, is actually a piece of wood, a bar on two fine seam, obviously it cannot calculate sunglasses. Faithful is the modern sunglass is European inventions.
The 18th century Europe, the industrial revolution began, Sunglasses manufacturing and precision metal processing improvement. Then ceased the glasses manufacturer mainly, hand-made and each glasses manufacturer’s name to marked. Many of these small home later became the production precision instruments and watches. Then Sunglasses has become the new society, SiDi grams (what dress, and nasal glasses) is a enough of a gentleman’s standard.
The industrial revolution is the biggest wealth for human cars and airplanes, vehicle and airplane brought FengJing is popular, because that is the plane is open, without FengJing couldn’t drive.