Do not wear the four kinds of sunglasses

Summer is the world of cheap sunglasses, fashion, beautiful, radiation protection, these features let people like to wear sunglasses, but experts pointed out that the choice of sunglasses to be doubly careful, not only concerned with style, but ignored sunglasses quality problems. The following four failed sunglasses do not wear:

1, anti-UV function unworthy of the name sunglasses. Good lenses that can block more than 99% of ultraviolet rays, while the logo UV400 lenses are 100% (99.99%) in blocking ultraviolet rays. Wearing the poor UV protection replica sunglasses, eye as if seen in the dark matter, then the pupil will become larger, the residual ultraviolet but a large number into the eyes makes the eyes hurt. Best go to the store to buy or purchase or flagship store to buy high-profile shop. Small stall on certain not to buy those sunglasses can block UV, but the lenses work are not in place, which is unqualified, do not buy it because of cheap, poor quality of the eyes the eyes will cause varying degrees of damage.

2, the transmittance failed sunglasses. Wear this sunglasses, you will have to identify barriers to traffic signals, easily causing a traffic accident. All sunglasses including professional driving mirror, motion mirror, fish mirror ... Simple methods of identification (other than myopia and reading glasses) for sunglasses can be placed in front of a distant target viewed through the lens, such as window frames or door frames, and then the glasses up and down to move back and forth, the goal should not be in the lens field of view swing and wave-shaped deformation.

3, unlabeled category identification sunglasses. The sunglasses are generally divided into three categories, namely, used to shade the sun mirror, used for decorative light-colored mirrors and special mirror to prevent snow blindness or water plane radiation. If there is no identity of the product categories, consumers are not correctly identify the use of sunglasses, affect the results.

4, the fight against performance does not meet the requirements of sunglasses. External shocks, lenses are easily broken, debris would be the eyes of the formation of the fatal injuries. The frame material is also very important, general sheet metal, aluminum-magnesium alloy, titanium. The requirements of the different needs of the situation on the sun is not polarized sport mirrors specially designed for sports, The polarizer driving mirror, polarized fishing microscopy, at the time of purchase, ask the professional use of clear sunglasses,cheap ray ban sunglasses.



Experts advise consumers to buy sunglasses to a regular store to buy well-known brand; purchase should be the first to try them, and compare wear after wear and color change is apparent, and to wear sunglasses to see the object color distortion appropriate.

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