Also known as polymer molding, the suture (or polymer suture) is directly buried between the skin and the meibomian, so that the upper eyelid skin and meibomian adhere to form double eyelids. Catgut embedding method is suitable for people with thin upper eyelid, no obvious fat, no slack upper eyelid skin and younger age. Its advantages are simple operation, less trauma and quick recovery. However, the disadvantage is that the application scope is small, and it has short-term effect on patients with upper eyelid hypertrophy, and the double eyelids are easy to disappear.

2, cut double eyelid method

This is a permanent double eyelid operation, which removes loose skin, orbicularis oculi muscle and fat through incision, and directly sutures the skin with orbicularis oculi muscle or levator palpebrae aponeurosis under direct vision to form double eyelid. This method needs to cut the skin, which is slightly traumatic, but the upper eyelid structure can be adjusted through the incision, and the effect is reliable and lasting, which is suitable for single eyelid in various situations. The expansion time is slightly longer.