Bilateral hearing loss
Bilateral Hearing Loss
Bilateral hearing loss (pronunciation: bi-lat-er-al hear-ing loss) is a medical condition characterized by a decrease in auditory function in both ears.
Etymology
The term "bilateral" originates from the Latin "bi-", meaning "two", and "lateral", meaning "side". "Hearing loss" is a straightforward term referring to the loss of the ability to hear.
Definition
Bilateral hearing loss is a type of sensorineural hearing loss or conductive hearing loss that affects both ears. It can be either symmetrical (the degree of hearing loss is the same in both ears) or asymmetrical (the degree of hearing loss is different in each ear). It can also be either progressive (worsening over time) or sudden.
Causes
Bilateral hearing loss can be caused by a variety of factors, including aging, exposure to loud noise, certain medications, and diseases such as Ménière's disease, otosclerosis, and acoustic neuroma.
Diagnosis
Diagnosis of bilateral hearing loss typically involves a comprehensive audiometric evaluation to assess the degree and type of hearing loss. Other diagnostic tests may include tympanometry, otoacoustic emissions (OAEs), and auditory brainstem response (ABR) testing.
Treatment
Treatment for bilateral hearing loss depends on the cause and severity of the condition. Options may include hearing aids, cochlear implants, or other assistive listening devices. In some cases, medication or surgery may be recommended.
Related Terms
External links
- Medical encyclopedia article on Bilateral hearing loss
- Wikipedia's article - Bilateral hearing loss
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