In foreign countries, such as the United States or Canada, is it expensive for plastic surgery hospitals to open double eyelids? Does the law stipulate how big it can be opened?
Double eyelid is just a routine surgical subject, which can be done in foreign hospitals. I don't know these countries you are talking about. There are more people going to South Korea for plastic surgery now, and it is more expensive than in China.
Generally,/kloc-a group of minors over 0/3 years old can do double eyelid surgery Y with their parents.