MRI scan is the most useful thing which can be done for visualizing middle ear. The MRI scan is generally advised by the doctor when he finds that your hearing loss is sensorineural which means there is a problem with the nerves and portions of the brain involved in hearing. The MRI scan looks for the presence of some serious illness like tinnitus, unilateral hearing loss or Meniere disease. The MRI scan also excludes the presence of brain tumors and multiple sclerosis and show the internal auditory canal. The test is useful if the symptoms are severe and other diagnoses need to be considered. The MRI scan uses a strong magnetic field to scan the middle ear.