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A hearing aid is an electronic device that is worn in the ear to help amplify sounds. They are made for individuals who experience hearing loss to assist them in listening and communicating effectively with others. A hearing aid consists of three parts: microphone, amplifier, and a speaker. The microphone picks up sounds and converts these sounds into electrical signals. These signals are then sent to the amplifier, where the sounds are intensified, and then sent on to the speaker. A hearing aid is designed to help in individuals hear in both noisy and quiet environments.
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According to the National Institute on Deafness and Other Communication Disorders, or NIDCD, 22 million Americans suffer from permanent hearing loss due to loud noise exposure. The NIDCD also estimates that a further 30 million Americans are at risk of permanent hearing loss. This includes hearing loss risk that occurs in the workplace, at home, and in recreational settings.
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Many people take their ability to hear for granted, forgetting that damage to hearing can occur in many different forms. Things such as disease, physical trauma, simple aging, and medications can all have a detrimental affect to your ability to hear. Consider how important it is to hear the noises around you and the people in your life on a daily basis. In order to communicate with others, you must be able to hear what they are saying to you – even in a crowded room.
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Elderly hearing loss, which is otherwise known as presbycusis, is hearing loss which is brought about by the natural process of the body aging. As we get older, our ability to hear, like our ability to see, often diminishes. Because we all age, this is a very common problem. Devices such as hearing aids have been invented to help older people to hear, especially in crowded environments where there is a lot of background noise. If you find yourself asking others to repeat what they’ve said, or need to turn up the radio or television more and more, you could be experiencing the onset of presbycusis.
