Are you talking about simple double eyelid catgut embedding or small incision double eyelid catgut embedding? This operation is a minor operation, and it is mainly based on later recovery. The normal recovery time is 3 months to half a year, so don't worry too much about the effect of the operation just after the operation.
You need to choose an appropriate width of double eyelids before operation, but there is a drawback to catgut embedding surgery: double eyelids may fall off, especially when you rub your eyes intentionally or unintentionally.
In addition, if your upper eyelid is swollen and fat is thick, and catgut embedding is not suitable for you, you can only choose incision surgery.