In the scorching summer sun, many young people will wear a pair of sunglasses to not only protect themselves from the sun, but also demonstrate their fashion taste. Many elderly people believe that wearing sunglasses in summer is a matter for young people who are chasing fashion. However, in fact, sunscreen in summer is equally important for the elderly, which can effectively prevent the occurrence of certain eye diseases.
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The difference between nylon lens and polarized lens is that the material is different, the occasion is different, the principle is different
Sunglasses lenses are divided into: 1, PC 2, glass 3, resin 4, nylon 5, AC 6, polarizing 7, eccentric
Sunglasses on the market are good or bad, and the quality is uneven. Now in the healthy age, everyone only needs to prevent ultraviolet rays to protect their eyes. How do you choose the right sunglasses to prevent ultraviolet rays from hurting your eyes?
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Sunglasses, also known as sunglasses, are "labor protection" articles that protect eyes under strong light. Wearing this kind of lens can block ultraviolet and infrared rays. At the same time, the color of the external environment does not change, only the light intensity changes, like a cloudy day. It has a cool and comfortable feeling.
