There are many styles of hearing instruments. The degree of the hearing loss, power and options required, manual dexterity abilities, cost factors, and cosmetic concerns are some of the factors that will determine the style the patient will use.

The term digital is used so often today, it can be confusing. When a hearing instrument is termed digital, it generally means the hearing instrument uses 100% digital processing. In other words, the hearing instrument is indeed a complete computer.

Results of the audiometric evaluation are plotted on a chart called an audiogram. Loudness is plotted from top to bottom. Frequency, from low to high, is plotted from left to right.

There are essentially three levels of hearing instrument technology. We refer to these as analog, digitally programmable, and digital.

Hearing loss occurs to most people as they age. Hearing loss can be due to the aging process, exposure to loud noise, certain medications, infections, head or ear trauma, congenital (birth or prenatal) or hereditary factors, diseases, as well as a number of other causes.

All batteries are toxic and dangerous if swallowed. Keep all batteries (and hearing aids) away from children and pets. If anyone swallows a battery it is a medical emergency and the individual needs to see a physician immediately.

ALDs can increase the loudness of desired sounds, such as a radio, television, or a public speaker, without increasing the loudness of the background noises.

There are many assistive listening devices available today, from sophisticated systems used in theaters and auditoriums to small personal systems.

People with all degrees and types of hearing loss — even people with normal hearing can benefit from assistive listening devices.

Tinnitus is an abnormal perception of a sound which is reported by patients that is unrelated to an external source of stimulation. Tinnitus is a very common disorder.

Tinnitus may originate from various lesions and from different sites. The auditory system involves highly complicated inner ear structures, many afferent and efferent nerve pathways and a great amount of nuclei that form a complex meshwork.

Tinnitus is an abnormal perception of a sound which is reported by patients that is unrelated to an external source of stimulation. Tinnitus is a very common disorder.

Auditory Processing (also called Central Auditory Processing) refers to the means by which we make sense of what we hear. Auditory Processing Disorder (APD) is a term for the variety of disorders that affect the way the brain processes information.

The hearing instrument specialist has training in the assessment of patients who specifically seek rehabilitation for hearing loss.

Hearing instruments work very well when fit and adjusted appropriately. They are designed to make words and the conversations easier to understand in all situations, without making sounds appear to be too loud.

Virtually all patients wearing hearing instruments complain about background noise at one time or another. There is no way to completely eliminate background noise.

Doctor inserting hearing aid in senior's ear

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