Deafness Epidemiology

Deafness Epidemiology - Deafness Epidemiology Over three...

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Deafness Epidemiology Over three million adults in the UK (6%) have impaired hearing, and over 10,000 children need special education. Roughly 45% of deaf people are over the age of 80 and over 80% are over 60. It is estimated that over 1,000,000 people in the UK have hearing problems, 900,000 with partial hearing loss and 150,000 who are profoundly deaf. Diagnosis There are a number of tests used for diagnosing hearing loss and deafness, including:- Whisper test – whispering into an ear from a fixed distance while creating a rustling sound in the other ear Two tuning fork test are used to distinguish between unilateral conductive and sensorineural hearing loss (described below) Direct visualisation of the ear drum – looking for perforations, infections or build up of wax Pure-tone audiometry – noises are introduced into each ear via head phones at different volumes and frequencies to accurately measure sound conduction in each ear Tympanometry – measures movement of the ear drum at variable air pressure and helps indicate
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Deafness Epidemiology - Deafness Epidemiology Over three...

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