The medical certification process Read about the medical certification process, and how to get the right medical certificate. Medical certificate fees, payments and processing Learn about medical certificate fees, payments and processing. Find a medical or eye examiner Search for a designated aviation medical examiner (DAME) or designated aviation opthalmologist (DAO). Show more Show less Also see Colour vision assessment for medical certificates Learn about the range of tests you can take to prove you can perceive different colours while flying. Show more Show less