Summer, in order to block the glare of the sun, people travel most of them will choose to wear stylish sunglasses. As everyone knows, if you buy low-quality fake oakleys sunglasses, not only would not achieve the efficacy of anti-UV, and even can cause eye injuries, severe can lead to headache, dizziness.
Experts advise consumers to purchase the best selection of professional optical shop and look for "QS" logo. In addition, buy sunglasses should not blindly pursue pretty nice and cheap, but more importantly is to focus its anti-ultraviolet function, lens quality and frame design and other issues.
Since the beginning of summer, sales of sunglasses is also increasingly popular, glasses shops, jewelry stores, street stall filled with colorful sunglasses. Prices ordinary sunglasses seventy to eighty dollars, expensive to five or six hundred, or even a thousand dollars of imports sunglasses.
Regular optical shop selling sunglasses in detail marked on the manufacturer's name, address, phone, glasses function, material and other information. However, the jewelry store price is very cheap sunglasses, mostly naked mirror sales, some from the frame to the lens no product information, not even mark, some products are simply attached to the brand name, it is difficult to see manufacturers , date of production, certification and other signs.
Currently sunglasses industry standards more stringent, requiring manufacturers must obtain a production license, and the product logo should be on implementation of standard products, categories, color, frame size, quality grade, product name and trademarks, etc., and some also with professional inspection report. The smooth surface of the lens is not qualified wear scar, clear spots without flaw, there will not be light refraction phenomena.
Sunglasses, jewelry stores are mostly high imitation, the main function is decorative, and UV radiation effect is not obvious. Some cheap sunglasses or three non-product, consumers wear, not only can not be anti-UV, but also damage the eyes. With uva, uvb and ce and other signs of UV sunglasses to block certain consumers to purchase the best selection of professional optical shop and look for the "QS" logo.
Was able to block UV cheap oakley sunglasses , because the lenses add a layer of special coating, cheap sunglasses just to add some color to the lens coating. Lenses that are now on the market are mostly resin material, inferior sunglasses then uses a plastic material.
Long wearing quality sunglasses can cause blurred and decreased vision to see things, solar keratitis, corneal endothelial damage, eye macular discoloration. Some astigmatism, nearsightedness, farsightedness patients with particular attention to these people wearing sunglasses First, the eye
— Wary of inferior sunglasses injured eyes
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