Everyone has some degree of eyelid and facial asymmetry. There is no perfect and symmetrical set of eyelids. A full set of facial photographs going to be required in addition to an in-person examination to determine what the appropriate procedure will be, If any. For many examples of blepharoplasty, please see the link and the video below
Everyone has minor asymmetry issues which are more visible in the face. I think you are within the bounds of "normal". If, however, this is a concern that is interfering with your life. You should probably discuss this with a psychologist.