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Principle analysis of photochromic spectacle lenses
With the development of glasses, the appearance of glasses has become more and more beautiful, and the colors of glasses have become more colorful, making you more and more fashionable wearing glasses. Photochromic glasses are the resulting new glasses. The chromatic mir...Read more -
Are blue light blocking glasses useful?
1. What Is Blue Light? Our eyes can see such a colorful world, which is mainly composed of seven colors of red, orange, yellow, green, cyan, blue and purple. Blue light is one of them. In professional terms, blue light is a kind of visible ligh...Read more