Professional selection and purchase of sunglasses can maintain the eyes

Professional selection and purchase of sunglasses can maintain the eyes. YC9703 Ladies Sunglasses C3 Black/Colorful Blue First, when purchasing sunglasses, it is necessary to pay attention to the lens, tag, color and UV index of the product. Each large-scale qualified product is full of instructions for passing the quality inspection, and the merchant should show the relationship statement when purchasing. The tag on the sunglasses can be regarded as the 'ID card' of the product, which clearly indicates the origin of the glasses, and also contains various important information, such as whether the glasses you choose to purchase are sunglasses or light-colored mirrors, resin lenses or something else The material...this can't be ignored. In addition, consumers have to keep labels or presentation books on file, or ask businesses to put the promises on the product logo on them. Once entanglements arise, they will no longer be passive due to monotonous evidence. Second, pay attention to the theory of lens when choosing to be lubricated, without ripples, defects, bubbles, and wear marks. YC9711 Men’s Sunglasses C1 Black/Colorful Red Put the lens flat and observe whether the lens is warped from the level trend. Lenses that are uneven or have marks or bubbles are not suitable for selection and purchase. The simple way to distinguish is to put sunglasses in front of your eyes, look through the lenses to observe distant targets, such as window frames or door frames, and then slide the glasses around so that the targets cannot swing and wavy. Third, for UV protection, the best option is to purchase light gray, light green, blue gray sunglasses with real sun-shading lenses. Because of these appropriately soft colors, they will not change color when you look at them. Ray-Ban RB3449 Men's Sunglasses Silver/Lens Colorful Blue 004/55 For sunglasses, the UV index is a useful and accurate way to filter out ultraviolet rays. Nowadays, the UV index of most sunglasses is between 96% and 98%, and dark lenses are better than light lenses. Fourth, because of the strong request for shading, you should choose darker pigmented lenses. However, cyclists or motorists cannot choose lenses with too dark pigments, so as not to be able to effectively realize the traffic signal lights with different pigments. Fifth, choose sunglasses according to your face shape. People with large binocular eyes should choose sunglasses with large frames, and those with small eyes should choose sunglasses with small frames. People with fat and round faces are suitable for sunglasses with thick frames. People with thin faces are suitable for sunglasses with round frames, flat round. People with a face should choose sunglasses with a narrow square frame. Related Reading: Sunglasses Polarized Sunglasses
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