• Debris in the EAC that does not clear with topical ear drops.
• Inability to visualize the TM despite treatment with topical ear drops.
• Persistent dizziness or dysequilibrium, even if not true vertigo.
• Significant communication problems regardless of the hearing test results.
• Persistent and/or distracting tinnitus that interferes with the patient’s duty performance or quality of life, regardless of hearing test results.