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Linda M Luxon



Chapter reviewed, minor changes made, further reading updated.

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date: 27 September 2021

Hearing loss is the most common sensory impairment. The World Health Organization has estimated that at least 275 million people are affected worldwide, as are 17% of the adult population in the United Kingdom, three-quarters of these being over 60 years of age.

Clinical examination and investigation—examination includes visual inspection of the anatomy of the external ear and tympanic membrane, and tuning-fork tests to distinguish conductive from sensorineural hearing loss in some cases. Audiological investigations (1) quantify audiometric thresholds at each frequency; (2) differentiate conductive from sensorineural defects; (3) differentiate ...

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