Usually temoporary injury will improve over several weeks to a few months if the nerve was not significantly damaged with the parotid surgery. Keep your eye moist with drops or ointment if it is affected. Donald R. Nunn MD Atlanta Plastic Surgeon.
Thank you for your question and photos. You are still in the recovery stage. Recovery can take up to 9 months. Within this time all of the swelling will start to subside. Be sure to keep your follow ups with your surgeon.
I've been doing facelifts for over 20 years now and have used a head strap on patients for about one year during that time -- way at the beginning of my career. The head strap was annoying, irritating, rubbed areas that were sensitive or delicate and perhaps reduced blood and lymphatic flow...