Ear. Inside an Ear Ear Camera Causes of hearing loss Disease – Some illnesses affect the ear and can cause hearing loss. Drugs – Some medicines can.

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Presentation transcript:

Ear

Inside an Ear

Ear Camera

Causes of hearing loss Disease – Some illnesses affect the ear and can cause hearing loss. Drugs – Some medicines can damage the ears if they are used for a long time. Trauma – Foreign objects poked in the ear, sudden changes in air pressure and very loud noises can all damage the ear. Age – Higher frequencies are harder to hear after the age of 20. People don’t usually notice until they are over 55. Noise – Hearing loud noises (over 85dB) for a long time causes hearing loss.

The Ear Drum (tympanic membrane) Normal EardrumBurst (perforated) eardrum

Normal hairsDamaged hairs Hairy Ears Rows of hair cells

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