Safety glasses are a kind of glasses that play a special role. They are used in different occasions with different needs. Such as surgical glasses for hospitals, welding glasses for welding, laser protective glasses for laser engraving, and so on. Protective glasses, also known as labor protection glasses in industrial production, can be divided into safety glasses and protective masks. Their main functions are to protect the eyes and face from the radiation of ultraviolet, infrared and microwave electromagnetic waves, dust, smoke, metal and gravel debris and chemical solution splashing damage.