There are two types of nose supports, one is fixed type, that is, non-metallic adhesive type; One type is stipule active type. The latter type of nose support is applied to the metal frame, and now it is also available on some high-grade plate glasses. The movable support is fixed by welding the support stem. We will only introduce the latter type of nose support as an example. This type of nose support is the most commonly used type, which is more comfortable than the previous one

The assembly position of the lens is fixed with metal wire, nylon wire and screws by means of grooves or holes, which affects the cutting of the lens and the shape of the glasses. Connect the left and right lens rings or directly connect with the lens. The bridge of the nose is either directly placed on the nose or supported on the nose through the stipules.