The eyewear industry is old, and current scientific and technological advances have given rise to various functions.
The new type of glasses with multiple attributes is a consumer product that is protective and decorative. The protective function of eyeglasses is mainly reflected in the lenses, which regulate the amount of light entering the eyes, correct vision, and protect eye safety. The decorative function of eyeglasses is mainly reflected in the frame, which not only plays the role of support for glasses but also has a decorative nature. Lenses are a product that combines mathematics, optics, organic chemistry, surface and structural physics, machining, medicine, and other disciplines. The technical content and quality of the lenses are mainly reflected in three aspects: lens material, optical design, and lens coating.
The eyewear industry is ancient, and the modern sense of eyewear emerged in the last century. As science and technology continued to advance, the innovative applications of eyewear became more and more diverse. The modern eyewear concept of the monocle first appeared in the 1700s and became popular in the 19th century as a high-end fashion accessory. It was only in the first two decades of the last century that frames became the