Is essential to ensure qualityFaced with numerous choices, pick one quality assurance of sunglasses is a basic requirement. Sunglasses that block ultraviolet rays, because the lenses add a layer of special coating, if the freeloaders to buy a substandard quality sunglasses, not only can block ultraviolet rays, but also to a serious decline in the lens transmittance, making the pupil larger, but UV Will be a substantial injection, make eye damage. Originally intended to protect the eyes but hurt the eyes, it did not, worth the candle.Qinghai People's Hospital, Lin Zhuren told reporters as the optical center, "to buy sunglasses can not just look at the price we must pay attention to quality. Some lenses are defective, or even recycled, the lens with a certain degree of myopia, some more than ten degrees Some 20 several times, generally do not feel it, must be the regular glasses can be detected optometry shop. "To quality sunglasses, the reporter interviewed glasses Qinghai Zhao Jie, director of Quality Supervision, Inspection Station, she told reporters: "Our products have been implemented on the sunglasses production license management, regular optical shop in our province have made a production license. We sunglasses every year the quality of sampling, and optical measuring instruments used by the shop to check, to ensure accurate and reliable measuring instruments. "She suggested that consumers buy sunglasses to regular glasses obtaining the license store Purchase; see signs, production card number, name glasses leg, specifications, models, etc.; not to buy "three noes"products. If consumers buy sunglasses to bring a sense of dizziness and discomfort when you can go to the Quality Supervision and Inspection Station of Qinghai Province glasses detection