Upper bleph, does Milia go away on its own? Or does something need to be done?

Milia after blepharoplasty do tend to go away over time, but if they are bothersome, they can easily be extracted by your surgeon.  

Thank you for your question. Milia that occurs after upper eye lid surgery can easily be extracted by your surgeon or an aesthetician.

Milia can occur after blepharoplasty. These can be easily extracted by your surgeon or an aethetician recommended by your surgeon who is comfortable with postop patients.