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Inform Yourself

Frequently Asked Questions

What are hearing aids?

A hearing aid is a small electronic device that is worn in or behind your ear. It makes some sounds louder so that if you have hearing loss you can listen, communicate, and participate more fully in daily activities. A hearing aid can help you hear more clearly in both quiet and noisy situations. However, only one of five people who would benefit from a hearing aid actually uses one.

A hearing aid has three basic parts: a microphone, amplifier, and speaker. The hearing aid receives sound through a microphone, which converts the sound waves to electrical signals and sends them to an amplifier. The amplifier increases the power of the signals and then sends them to the ear through a speaker.

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Do I need hearing aids?

If you think you have hearing loss and could benefit from hearing aids, let the hearing health care professionals at AccuHear help. We will perform a hearing test to assess your hearing and the type and degree of loss. After analyzing the results, we may refer you to your physician, who may refer you to an otolaryngologist. An otolaryngologist is a physician who specializes in ear, nose, and throat disorders and will investigate the cause of the hearing loss.

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How can hearing aids help me?

Hearing aids improve hearing and speech comprehension if you have hearing loss that results from damage to the small sensory hair cells in the inner ear. This type of hearing loss is called sensorineural hearing loss and is usually the result of disease, aging, injury from noise, or certain medicines.

A hearing aid magnifies sound vibrations entering the ear. Surviving hair cells detect the larger vibrations and convert them into neural signals that are passed along to the brain. The greater the damage to your hair cells, the more severe your hearing loss and the greater the hearing aid amplification needed to make up the difference. However, there are practical limits to the amount of amplification a hearing aid can provide. In addition, if the inner ear is too damaged, even large vibrations will not be converted into neural signals. In this situation, a hearing aid would be ineffective.

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Are there different style hearing aids?

There are three basic styles of hearing aids. The styles differ by size, their placement on or inside the ear, and the degree to which they amplify sound.


Behind-the-ear (BTE) hearing aids consist of a hard plastic case worn behind the ear, which is connected to a plastic earmold that fits inside the outer ear. The electronic parts are held in the case behind the ear. Sound travels from the hearing aid through the earmold and into the ear. BTE aids are appropriate for mild to profound hearing loss.


A new kind of BTE aid is an open-fit hearing aid. Small, open-fit aids fit behind the ear completely, with only a narrow tube inserted into the ear canal, enabling the canal to remain open. For this reason, open-fit hearing aids may be a good choice if you experience a buildup of earwax, since this type of aid is less likely to be damaged by such substances. If a traditional BTE causes you to perceive the sound of your own voice as sounding “plugged up,” you may prefer the open-fit hearing aid.


In-the-ear (ITE) hearing aids fit completely inside the outer ear and are used for mild to severe hearing loss. The case holding the electronic components is made of hard plastic. Some ITE aids may have certain added features installed, such as a telecoil. A telecoil is a small magnetic coil that allows you to receive sound through the circuitry of the hearing aid rather than through its microphone. This makes it easier to hear conversations over the telephone. A telecoil also helps you hear in public facilities that have installed special sound systems called induction loop systems. Induction loop systems can be found in many churches, schools, airports, and auditoriums. ITE aids usually are not worn by young children because the casings need to be replaced often as the ear grows.


Canal hearing aids fit into the ear canal and are available in two styles. The in-the-canal (ITC) hearing aid is made to fit the size and shape of your ear canal. A completely-in-canal (CIC) hearing aid is smaller that an ITE is and nearly hidden in the ear canal. Both types are used for mild to moderately severe hearing loss.

Because they are small, canal aids may be difficult for you to adjust and to remove. In addition, canal aids have less space available for batteries and additional features such as a telecoil. They usually are not recommended for young children or if you have severe to profound hearing loss because their reduced size limits their power and volume.

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Do all hearing aids work the same?

Hearing aids work differently depending on the electronics used. The two main types of electronics are analog and digital.

Analog aids convert sound waves into electrical signals, which are then amplified. Custom built to meet your individual needs, analog aids are programmed by the manufacturer according to the specifications recommended by your AccuHear Audiologist or Hearing Instrument Specialist. Analog/programmable hearing aids are then fine-tuned by the Audiologist or Hearing Instrument Specialist through the use of a computer. When you wear them, you can change the program for different listening environments, allowing you to hear effectively in a small, quiet room as well as in a crowded restaurant, theater or stadium. Analog/programmable circuitry can be used in all types of hearing aids.

Digital aids convert sound waves into numerical codes, similar to the binary code of a computer, before amplifying them. Because the code also includes information about a sound’s pitch or loudness, the aid can be specially programmed to amplify some frequencies more than others. Digital circuitry gives the Audiologist or Hearing Instrument Specialist more flexibility in adjusting the aid to your needs and to certain listening environments. These aids also can be programmed to focus on sounds coming from a specific direction. Digital circuitry can be used in all types of hearing aids.

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Which hearing aids will work best for me?

The hearing aid that will work best for you depends upon the type and severity of your hearing loss. If you have a hearing loss in both of your ears, two hearing aids are generally recommended because two aids provide a more natural signal to the brain. Hearing in both ears also will help you understand speech and locate from where the sound is originating.

You and your AccuHear Audiologist or Hearing Instrument Specialist will select a hearing aid that best suits your needs and lifestyle. Price is also a key consideration because hearing aids range from hundreds to several thousand dollars. Similar to other equipment purchases, style and features affect cost. However, don’t use price alone to determine the best hearing aid for you. Just because one hearing aid is more expensive than another does not necessarily mean that it will better suit your needs.

Keep in mind that a hearing aid will not restore your normal hearing. With practice, however, a hearing aid will increase your awareness of sounds and their sources. You will want to wear your hearing aid regularly, so select one that is convenient and easy for you to use. Other features to consider include parts or services covered by the warranty, costs for maintenance and repair, options and upgrade opportunities, and the hearing aid company’s reputation for quality and customer service.

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What should I ask before buying hearing aids?

Before you buy a hearing aid, ask your Audiologist or Hearing Instrument Specialist these important questions:

  • What features would be most useful to me?
  • What is the total cost of the hearing aid?
  • Do the benefits of newer technologies outweigh the higher costs?
  • Is there a trial period to test the hearing aids? (Most manufacturers allow a 30 to 60-day trial period during which aids can be returned for a refund.)
  • What fees are nonrefundable if the aids are returned after the trial period?
  • How long is the warranty?
  • Can it be extended?
  • Does the warranty cover future maintenance and repairs?
  • Can the Audiologist or Hearing Instrument Specialist make adjustments and provide servicing and minor repairs?
  • Will loaner aids be provided when repairs are needed?
  • What instruction does the Audiologist or Hearing Instrument Specialist provide?

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How can I adjust my hearing aids?

Hearing aids take time and patience to use successfully. Wearing your aids regularly will help you adjust to them.

Become familiar with your hearing aid’s features. At AccuHear, the Audiologist or Hearing Instrument Specialist will have you practice putting in and taking out the aid, cleaning it, identifying right and left aids, and replacing the batteries. We will show you how to test it in listening environments and encourage you to report to us where you have problems with hearing. Learn to adjust the aid’s volume and to program it for sounds that are too loud or too soft. Work with the Audiologist or Hearing Instrument Specialist at AccuHear until you are comfortable and satisfied.

You may experience some of the following problems as you adjust to wearing your new aid.

My hearing aid feels uncomfortable. Some individuals may find a hearing aid to be slightly uncomfortable at first. Ask your Audiologist or Hearing Instrument Specialist how long you should wear your hearing aid while you are adjusting to it.

My voice sounds too loud. The “plugged-up” sensation that causes a hearing aid user’s voice to sound louder inside the head is called the occlusion effect and it is very common for new hearing aid users. Check with your Audiologist or Hearing Instrument Specialist to see if a correction is possible. Most individuals get used to this effect over time.

I get feedback from my hearing aid. A whistling sound can be caused by a hearing aid that does not fit or work well or is clogged by earwax or fluid. See your Audiologist or Hearing Instrument Specialist for adjustments.

I hear background noise. A hearing aid does not completely separate the sounds you want to hear from the ones you do not want to hear. Sometimes, however, the hearing aid may need to be adjusted. Talk with your Audiologist or Hearing Instrument Specialist.

I hear a buzzing sound when I use my cell phone. This sometimes occurs due to the radio frequency interference caused by digital cell phones. Both hearing aids and cell phones are improving, however, so these problems are occurring less often. When you are being fitted for a new hearing aid, take your cell phone with you to see if it will work well with the aid.

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How can I care for my hearing aids?

Proper maintenance and care will extend the life of your hearing aid.

Make it a habit to:

  • Keep hearing aids away from heat and moisture.
  • Clean hearing aids as instructed. Earwax and ear drainage can damage a hearing aid.
  • Avoid using hairspray or other hair care products while wearing hearing aids.
  • Turn off hearing aids when they are not in use.
  • Replace dead batteries immediately.
  • Keep replacement batteries and small aids away from children and pets

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