Spectacle frames are an important part of glasses, which mainly play the role of supporting the glasses, and the glasses frames with beautiful appearance can also play a beautiful role. Spectacle frames are required to have certain hardness, softness, elasticity, wear resistance, corrosion resistance, light weight, luster and good color and so on.

  Structure: 1. Mirror ring (frame): the assembly position of the lens, use metal wires, nylon wires and screws to fix the lenses by means of grooves or drill holes, which affects the cutting of the lenses and the shape of the glasses. 2. The bridge of the nose: connect the left and right mirror circles or directly connect with the lens. The bridge of the nose is either placed directly on the nose or supported by the stipules. 3. Nose pads: including stipules, stipules box and stipules. The stipules are in direct contact with the nose and play the role of supporting and stabilizing the frame.

  Some cast-molded plastic frames are available without the stipule stem and the stipule box, and the stipules attached to the mirror ring. 4. Pile head: The connection between the mirror ring and the mirror foot is generally curved. 5. Mirror feet: The hook is placed on the ear, which can be moved and connected with the pile head, which plays the role of fixing the mirror ring. 6. Hinges: A joint connecting the pile head and the mirror foot. 7. Locking block: Tighten the screws to fasten the locking blocks on both sides of the opening of the mirror ring, so as to fix the function of the lens.

  Generally, wooden spectacle frames and horn frames are rare, and tortoiseshell spectacle frames are common. (4) Mixed materials The frame is made by mixing metal and plastic. Some of these frames are plastic covered with metal, that is, partially or completely covered with celluloid; some use different materials in different parts of the frame, that is, the front frame is plastic, the temple is metal, or the front frame is metal. , The temples are made of plastic; some use the above two methods in combination, such as the eyebrows and the bridge of the nose are made of plastic, the frame is made of stainless steel, and the temples are made of plastic and covered with metal materials.