Ear barotrauma is a type of ear damage. It is caused by pressure variations between the inside of the ear and therefore the outside of the ear.
It will cause pain and generally long (permanent) hearing disorder. The middle ear is AN full area between the inner and outer parts of the ear. It contains three little bones that facilitate transmit sound.
It additionally contains the gap of the auditory tube, that connects to a vicinity behind the nose. This tube stays closed most of the time.