fitness health: What To Know About The Hearing Aid ...

A hearing aid is an electroacoustic device that is designed to amplify and modify sound for the individuals who wear it. This instrument can fit inside of or behind the ear for which it is needed. Similar devices include bone-anchored hearing aids and cochlear implants. Earlier versions of aids were referred to as ear horns or trumpets. They were cones shaped like funnels that collected all the sound energy and then directed it to the canal of the ear.

There are various aids available. Typically they vary in their power and circuitry, as well as size. The most common of styles: BTE, behind the ear; ITE, in the ear; and CIC, completely in canal. BTE versions include a tube, case and earmold. The devices that are made to fit inside of the ear are often higher in cost because they require that custom fittings be done.

Invisible-in-canal versions are placed deep inside ear canals and therefore, invisible. They are fitted to each individual ear. Venting, as well as the placement of the device makes for a naturalesque hearing process. Extended-wear versions are considered the first invisible aids. They are placed in ears where they stay for months before removal. Open-fit aids are small in size and comfortable fit behind the ears, leaving the canal open.

Essentially every model has the capability to be programmed. This means that the wearer is able to adjust settings to fit their needs. Disposable aids contain a long-lasting but non-replaceable battery. When this runs out, the users are expected to purchase a new aid. Bone-anchored types must be surgically placed within the ears. Prior to the onset of in-the-ear aids, eyeglass aids were used. These items were built into the temple area of glasses. These devices are not commonly employed in modern times.

At the very least, these electronic instruments will include a batter, circuity, microphone and receiver. Most units are meant to be wireless. Furthermore, these are programmable and often come with controls or remotes that make changing settings easy for wearers.

Understand that these devices are not able to fix the problem of hearing loss. That is, they cannot repair the problem that is resulting in the loss. Instead, they serve as an aid, making sounds accessible to people. Those with primary auditory cortex or sensorineural loss may find these instruments to be less effective for them. This is because sensorineural loss removes the power to decipher sounds and primary auditory cortex makes people incapable of accepting stimulation, which then results in brains losing cells used for processing sound.

In some parts of the world, publicly funded medical programs give aids to citizens for a discounted price or at no cost. Health care providers do not always cover the cost of these devices and those who need them may have to pay out of pocket. The cost for these devices will range, but typically ranges from several hundred dollars to thousands.

A hearing aid is a device that is used to modify and amplify sounds for individuals who suffer from hearing loss. These aids come in many different forms and generally allow for wearers to adjust settings. Such units are not intended to fix the problem that cause the loss.

Source: http://www.fitness-health.net/2012/12/what-to-know-about-hearing-aid.html

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