Cheap Sunglasses

In Summer people like to wear sunglasses, because wearing sunglasses will make them more fashion, make ladey more beauty, and sunglasses can prevent radiation, all these features let people prefer to wear sunglasses. Experts pointed out, while choose sunglasses, we should not only take extra care sunglasses style, we cannot ignore the quality of sunglasses. The following four kinds of sunglasses are not suitable for us to wear:

• The sunglasses cannot prevent UV at all. Good sunglasses lens can block more than 99% of the ultraviolet rays. If you wear bad quality anty UV sunglasses,your eyes are as if see things in a darkroom, the pupils become large, the residual of ultraviolet light will inject into your eye, and hurt the eyes.
• Unqualified transmittance sunglasses. Wearing these sunglasses will generate traffic signal identifying barriers, easily causing traffic accidents.
• Sunglasses did not mark its related category. Sunglasses are generally divided into three categories, namely for the shading of the sun mirror, light mirror for decoration and for anti-radiation from snow blindness, or a special mirror flat water. If there is no product category logo, consumers can not correctly identify the usage of sunglasses, andn affect the usage effects.
• Resistance performance does not meet the requirements. The lenses can be easily broken by the external shock, and the broken fragments fatal injury to our eyes.