Frequently Asked Questions

The term digital is used for most of today's current technology, from televisions to cell phones.  Hearing aids today are also digital, meaning incoming sound is converted into a series of numbers, which is then processed using mathematical equations. Digital processing enables very complex manipulation of sound, for example, to separate speech from noise.   Read More
Five thousand children are born profoundly deaf each year in the United States alone. Another 10 to 15 percent of newborns have a partial hearing handicap. Read More
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. In the year 2001, there are some 28 million people in the USA with hearing loss. Hearing loss is the single most common birth “defect” in America. Hearing loss in adults, particularly in seniors, is common. Read More
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. Hearing loss (HL) is measured in decibels (dB) and is described in general categories. Hearing loss is not measured in percentages. The general hearing loss categories used by most hearing professionals are as follows:
  • Normal hearing (0 to 25 dB HL)
  • Mild hearing loss (26 to 40 dB HL)
  • Moderate hearing loss (41 to 70 dB HL)
  • Severe hearing loss (71 to 90 dB HL)
  • Profound hearing loss (greater than 91 dB HL)
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There are many types of hearing aids today and the type of hearing aid is dependent upon both the style chosen and technology chosen.

Styles of Hearing Aids

Hearing aids are available in many different sizes and styles thanks to advancements in dgital technology, minaturization of digital electronic part and fresh focus on design among the hearing aid manufacturers. Many of today's hearing aids are considered sleek, compact and innovative - offerring solutions to a wide range of hearing aid wearers.
  • When selecting style the following is considered:
  • The degree of the hearing loss (power requirements)
  • Manual dexterity abilities
  • Patient budget
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Tinnitus is an abnormal perception of a sound reported by a patient but is unrelated to an external source of stimulation. Tinnitus is a very common disorder affecting over 50 million people in the United States. It may be intermittent, constant or fluctuant, mild or severe, and may vary from a low roaring sensation to a high pitched type of sound. It may or may not be associated with a hearing loss. It is also classified further into subjective tinnitus (a noise perceived by the patient alone) or objective (a noise perceived by the patient as well as by another listener). Subjective tinnitus is common; however, objective tinnitus is relatively uncommon. The location of tinnitus may be in the ear(s) and/or in the head. Read More
Dizziness is a symptom not a disease. It may be defined as a sensation of unsteadiness, imbalance, or disorientation in relation to an individual’s surroundings. The symptom of dizziness may vary widely from person to person and be caused by many difference diseases. It varies from a mild unsteadiness to a severe whirling sensation known as vertigo. Read More
Tinnitus is the term for the perception of sound when no external sound is present. It is often referred to as "ringing in the ears," although some people hear hissing, roaring, whistling, chirping, or clicking. Tinnitus is not a disease but a symptom of another underlying condition – of the ear, the auditory nerve, or elsewhere. Tinnitus can be intermittent or constant, with single or multiple tones. Its perceived volume can range from very soft to extremely loud. 50 million Americans experience tinnitus to some degree. Of these, about 12 million have tinnitus which is severe enough to seek medical attention. Of those, about two million patients are so seriously debilitated by their tinnitus, that their day to day functioning is affected. The exact cause (or causes) of tinnitus is not known in every case. There are, however, several likely factors which may cause tinnitus or make existing tinnitus worse: noise-induced hearing loss, wax build-up in the ear canal, certain medications, ear or sinus infections, age-related hearing loss, ear diseases and disorders, jaw misalignment, cardiovascular disease, certain types of tumors, thyroid disorders, head and neck trauma and many others. Of these factors, exposure to loud noises and hearing loss are the most common causes of tinnitus. Treating a hearing loss, either by medical management, if indicated, or with hearing aids, may offer relief of tinnitus. Other new and effective tinnitus treatments are also available. If you have tinnitus, a comprehensive hearing evaluation by an audiologist, and a medical evaluation by an otologist is recommended.   Read More

Type and Degree of hearing loss

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. Hearing loss (HL) is measured in decibels (dB) and is described in general categories. Hearing loss is not measured in percentages. The general hearing loss categories used by most hearing professionals are as follows:

  • Normal hearing (0 to 25 dB HL)
  • Mild hearing loss (26 to 40 dB HL)
  • Moderate hearing loss (41 to 70 dB HL)
  • Severe hearing loss (71 to 90 dB HL)
  • Profound hearing loss (greater than 91 dB HL)

 

 

Types of Hearing Loss

The external and the middle ear conduct and transform sound; the inner ear receives it. When there is a problem in the external or middle ear, a conductive hearing impairment occurs. When the problem is in the inner ear, a sensorineural or hair cell loss is the result. Difficulty in both the middle and inner ear results in a mixed hearing impairment (i.e. conductive and a sensorineural impairment). Central hearing loss has more to do with the brain than the ear, and will be discussed only briefly.

Conductive hearing loss occurs when sound is not conducted efficiently through the ear canal, eardrum, or tiny bones of the middle ear, resulting in a reduction of the loudness of sound that is heard. Conductive losses may result from earwax blocking the ear canal, fluid in the middle ear, middle ear infection, obstructions in the ear canal, perforations (hole) in the eardrum membrane, or disease of any of the three middle ear bones.

A person with a conductive hearing loss may notice that their ears may seem to be full or plugged. This person may speak softly because they hear their own voice quite loudly. Crunchy foods, such as celery or carrots, sound very loud and this person may have to stop chewing to hear what is being said. All conductive hearing losses should be evaluated by a physician to explore medical and surgical options.

Sensorineural hearing loss is the most common type of hearing loss. More than 90 percent of all hearing aid wearers have sensorineural hearing loss. The most common causes of sensorineural hearing loss are age related changes and noise exposure. A sensorineural hearing loss may also result from disturbance of inner ear circulation, increased inner fluid pressure or from disturbances of nerve transmission. Sensorineural hearing loss is also called “cochlear loss,” an “inner ear loss” and is also commonly called “nerve loss.” Years ago, many professionals said there was nothing that could be done for sensorineural hearing loss – that is totally incorrect today. There are many excellent options for the patient with sensorineural hearing loss.

A person with a sensorineural hearing loss may report that they can hear people talking, but they can’t understand what they are saying. An increase in the loudness of speech may only add to their confusion. This person will usually hear better in quiet places and may have difficulty understanding what is said over the telephone.

Central hearing impairment occurs when auditory centers of the brain are affected by injury, disease, tumor, hereditary, or unknown causes. Loudness of sound is not necessarily affected, although understanding of speech, also thought of as the “clarity” of speech may be affected. Certainly both loudness and clarity may be affected too.