Two big recruit to teach you how to buy sunglasses

The sun glasses is a kind of protective equipment to prevent sun damage eyes. Wearing sunglasses is exquisite, buy inferior sunglasses will not only damage eyesight, the Dai Jiu can appear the symptom such as eye acid bilges, blurred vision, serious still can produce slow vision, color vision illusion, and so on and so forth, easy to cause traffic accidents. Two recruit to teach you how to buy sunglasses: ray-ban RB3532 001/68 men sunglasses see Kim is a product identification. Note whether note on glasses with uv resistant and impact resistant function. Want to know, not all sunglasses with uv protection, are 'ultraviolet prevention function of sunglasses, in the product label or glasses should have a positive' 100% ultraviolet prevention ', 'UV400 labeled' logo. If it is, which has the function of 'shock' sunglasses on the label or instructions shall be 'the fight against performance', 'through the FDA certification', 'conforms to the European and American standards', etc. At the same time, the identity or instruction to keep good, one thousand problems to make a claim to the businessman is evidence. Sunglasses factory YC9711 C1 black men sunglasses/dazzle colour in red is to observe the lens quality. When the sunglasses in the eyes, look through the lens in the distance, the glasses from top to bottom and move around, goals should not have swing, lens color stability. Look out through the lens, the distortion of the color of the surroundings, have the ability to identify different color lights.
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