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Loss of hearing creates an ineffective ability to communicate and could also bring stress, depression, fatigue and a feeling of anxiety and isolation. The speech development of a person who has a congenital hearing loss could also be delayed. It is therefore considered as a serious issue on life that is accompanied with physical, mental, emotional and social well being.
Aging, exposure to extreme noises, bacterial and viral infections, head injuries, heart conditions, earwax buildup and heredity are some of the reasons how hearing loss occurs and develops. It can happen to aged people, young adults and even to new born babies. But with the advancement of hearing science, there are new technologies that can help a person regain his ability to hear again.
Hearing aids are devices that could help a person hear by amplifying sounds. There are a lot of kinds of hearing aids that are suited for different hearing loss conditions. These devices are programmed with the patient's distinctive listening needs. Based on the results of the hearing test, an audiologist would know what type of hearing aid is appropriate for a patient. Keep in mind that hearing aids are just assistive equipment and does not have the capability to restore one's hearing.
Some types of hearing aids are CIC (completely in the canal), ITE (in the ear) and BTE (behind the ear). BTE hearing aids are very small, almost invisible, comfortable and technologically advanced; therefore, it lasts longer than CICs and ITEs. CIC and ITE hearing aids usually encounter problems on moisture and wax buildup which makes them more vulnerable to faster break down.
Hearing loss may occur drastically or gradually. For people who gradually loss their sense of hearing, their acceptance and adaptation to hearing aids may need some time adjustment. Audiologists and other hearing professionals must make sure that the adjustment period for different patients must go as smoothly as possible.
Hearing aids may not suffice in providing suitable assistance in all situations that's why new technologies were brought up by hearing science. Hearing professionals now have a huge variety of ALD's (assistive listening devices) from different manufacturers so that they could meet their patients' individual needs. In addition to hearing aids, patients could also use a range of assistive listening devices such as:
• Personal frequency modulation (FM) systems. These are similar to miniature radio stations that operate on special frequency given the Federal Communications Commission. The special signal is transmitted directly to the patient's hearing aid through a direct input in the audio or through the looped cord that is worn around the patient's neck.
• Infrared Systems. These are often being used with TV sets in the home and can also be used in theaters or in any large settings. By means of infrared light waves, sound signals can be transmitted from the television to the patient's receiver and could adjust the comfortable volume for the patient.
• Induction Loop Systems. These devices are most commonly used in large group areas but could also be sold for an individual use.
Aside from the given assistive listening devices, there are other ALDs such as amplified telephones, amplified answering machines, paging systems, signal alerting devices and wake up alarms.
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