Although double eyelid surgery is very mature now, the eye structure is very fine, and since it is an operation, it needs disinfection and anesthesia (even local anesthesia), which takes time. If it can be completed in 10 minutes, the operation must be rough. If you want to do double eyelids, you should choose a formal institution, such as Lemaire!

I hope it will be helpful to you and I hope it will be adopted.