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Hearing Aids Guide
Learn more about hearing aids and hearing healthcare from home.
What is an Audiologist?
An audiologist may be awarded the Certificate of Clinical Competence in Audiology by the American Speech-Language-Hearing Association (ASHA), otherwise known as the CCC-A. With additional training and expertise, the audiologist may receive the honor of Fellow, which is bestowed by the American Academy of Audiology (AAA).
What Types of Tests and Treatments do Audiologists Perform?
- Diagnostic hearing tests and evaluations
- Audiologic evaluations
- Hearing aid fitting and consultation
- Hearing aid repairs and maintenance
- Pediatric hearing loss detection and treatment
- Hearing conservation and protection programs
- Earmold and earplug fitting and consultation
- Musicians earplugs and monitors
- Tinnitus treatment programs
- Dizziness and balance testing and treatment
- Ear or hearing-related surgical monitoring in hospital settings
- Hearing rehabilitation and auditory training
- Assisting in cochlear implant programs
- Insurance billing for medically necessary diagnostic testing and hearing aids, when patients have policies that cover these benefits
How Do I Know if I Have Hearing Loss?
- You hear people speaking but you have to strain to understand their words.
- You frequently ask people to repeat what they said.
- You don’t laugh at jokes because you miss too much of the story or the punch line.
- You frequently complain that people mumble.
- You need to ask others about the details of a meeting you just attended.
- You play the TV or radio louder than your friends, spouse and relatives.
- You cannot hear the doorbell or the telephone.
- You find that looking at people when they speak to you makes it easier to understand.
- You miss environmental sounds such as birds or leaves blowing.
- You find yourself avoiding certain restaurants because they are too noisy, or certain people, because you cannot understand them.
- You hear a ringing sound in your ears, especially when it is quiet.
What Causes Hearing Loss?
How is Hearing Loss Diagnosed?
The hearing evaluation will also include a thorough case history and a visual inspection of the ear canal and eardrum. Additional tests of middle ear function may also be performed. The results of the evaluation can be useful to a physician, if the audiologist believes your hearing loss may benefit from medical intervention.
Results of the hearing evaluation are plotted on a graph called an audiogram. The audiogram provides a visual view of your hearing test results across various pitches or frequencies, especially the ones necessary for understanding speech.
The audiogram and results from your speech understanding tests are used to create a prescription by which hearing aids are programmed, if necessary.
What are the Different Degrees of Hearing Loss?
- 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)
What are the Signs of Hearing loss in Children?
- Failed newborn hearing screening
- Delays in speech and language acquisition, including baby babbling
- Frequent ear infections
- Not startling to loud sounds
- Not turning to the location of sounds after six months of age
- Difficulty following verbal directions
- Daydreaming in many situations
- Concerns by school teachers or failed school hearing screening
- Loud volume on the TV or radio
- Complaints from the child that they cannot hear
A pediatric audiologist is trained to test children of all ages. Any symptom of hearing loss in children should be addressed promptly so that speech, language and academic development are not delayed or impacted.
What Style of Hearing Aid Do I Need?
Hearing aids are available in many different sizes and styles, thanks to advancements in digital technology and miniaturization of the internal components. Many of today’s hearing aids are considered sleek, compact, and innovative – offering solutions to a wide range of hearing aid users. When selecting a style of hearing aid, the following should be considered:
- The type/degree of the hearing loss
- Power requirements
- Manual dexterity and visual abilities
- Cosmetics and aesthetics
- Skin sensitivities
- Anatomical and medical considerations
What are Assistive Listening Devices (ALDs)?
ALDs include alarm clocks, TV listening systems, telephone amplifying devices, and auditorium-type assistive listening systems. Many newer devices are small, wireless, and compatible with a person’s digital hearing aids. Alarms and other home ALDs may be small devices that are placed discreetly on tables, next to the TV, or on the wall.
What is Tinnitus?
What Causes Tinnitus?
- 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
How is Tinnitus Treated?
- Listening to a fan or radio
- Tinnitus-masking devices
- Biofeedback training
- Avoidance measures
- Avoidance of certain medications
- Hearing aids, if the listener also has a hearing loss
If these measures do not work, there are several medications that have been utilized to suppress tinnitus. Some patients benefit with these drugs and others do not. Each patient has an individual response to medication, and what works for one patient may not work for another.
Audiologist versus Hearing Aid Dispenser: What is the difference?
Audiologist: An Audiologist is trained to diagnose, treat and monitor disorders of the hearing and balance system. They are trained in anatomy and physiology, amplification devices, cochlear implants, electrophysiology, acoustics, psychophysics and auditory rehabilitation. Doctors of Audiology complete, at a minimum, an undergraduate and doctoral level degree in audiology, as well as a supervised externship prior to state licensure and national certification. This usually requires 8 years of post-secondary education (4 years of college and 4 years of graduate school). The graduate school years focus on the medical, diagnostic and rehabilitative aspects of hearing loss, hearing aids and the vestibular system. Upon completion of training, Audiologists must also pass a national standardized examination in order to be eligible for state licensure. Continuing education requirements must be met in order for an Audiologist to maintain state licensure.
Hearing Aid Dispenser: A hearing aid dispenser is licensed to perform audiometric testing for the sole purpose of selling and fitting hearing aids. In order to obtain a license, hearing aid dispensers are required to pass an exam. Prior to taking the exam, certain requirements must be met, which vary from state to state. In many states, hearing aid dispensers are only required to have a high school diploma. In other states, hearing aid dispensers must complete two years of college or post-secondary education in any field prior to applying for licensure. Some states require completion of distance learning coursework prior to taking the exam.
In summary, the requirement for state licensure to dispense hearing aids is based on the minimum education necessary to protect the health, safety and welfare of the patient. The differences in education required for Audiologists versus hearing aid dispensers reflect the significantly larger range of professional practices that Audiologists are permitted to engage in.
Audiologists are highly trained degree professionals. Audiologists receive extensive training in assessment of hearing, diagnosis, fitting and adjustment of hearing aids that helps to ensure:
- An accurate diagnosis;
- An appropriate treatment plan of intervention;
- A positive outcome from the hearing aid.