Not sure about the swelling but the right upper eyelid is less full than the left upper eyelid.
Loss of volume can definitely bring out the appearance of new lid folds. These likely have always been then. It is just that they probably hide under the fold and now appear more obvious with the loss of volume. It is important that if you decide to have eyelid surgery for this that you seek a surgeon with a great deal of Asian eyelid surgery experience. It is also possible that fillers in the right upper eyelid fold might help.