are not only sun protection products, but also fashion products, but the quality of sunglasses on the market is too uneven. Many fake and inferior products not only do not protect the eyes, but also hurt the eyes. 'A necessary condition' article for your reference, I hope to help you choose genuine sunglasses. 1. When purchasing sunglasses, first observe whether the lenses have scratches, impurities, bubbles, stripes, and check the outer packaging of the sunglasses. Regular sunglasses should be marked with the name, color, diameter, quality level, manufacturer name and trademark, and mirror surface. Or sunglasses with UVA, UVB and CE marks on the tag can ensure that a certain amount of ultraviolet light is blocked. Recommended reading: Plastic sunglasses can hurt your eyes without sun protection. 2. Then try to see if you feel dizzy or headache; 6069 unisex sunglasses C4 blue frame gun legs/colorful blue 3. Hold the two corners of the sunglasses facing each other Fluorescent lamp, let the reflective strip of the mirror roll smoothly. If you find that the fluorescent lamp shadow reflected by the mirror is wavy or twisted, it proves that the lens is not flat. Such a mirror will damage your eyesight; 4. Sunglasses are made of glass and resin, and consumers are best Choose resin lenses, which can effectively filter out reflected light and harmful ultraviolet rays, and have the functions of anti-shatter and anti-wear; 5. In terms of the color selection of sunglasses, generally speaking, black, brown, and gray have better filtering effects. Wearing sunglasses in front of the mirror, you can only vaguely see your pupils. If the color is too light, the filter effect is too small. If the color is too dark, it will affect the vision and weaken the color perception; Recommended reading: Choose sunglasses in summer. 6. Choose lenses with anti-UV function. Usually the UV index of sunglasses is between 96%-98%. 7. When buying sunglasses, try to choose from a reliable eyewear store. It is necessary to keep the purchase vouchers. If quality problems are found, they must promptly complain to the relevant functional departments to protect their legitimate rights and interests. Related Reading: Genuine Sunglasses Sunglasses
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