
Deafness and hearing loss - World Health Organization (WHO)
Feb 26, 2025 · Deafness and hearing loss fact sheet from WHO: providing key facts and information on causes, impact, prevention, identification, management and WHO response.
Deafness: Definition, Causes, Types, Symptoms & Treatments
Nov 2, 2020 · Get an overview of deafness, including how doctors define deafness, as well as causes of deafness, different deafness types, and symptoms of deafness.
Deafness - Wikipedia
In a medical context, deafness is defined as a degree of hearing difficulties such that a person is unable to understand speech, even in the presence of amplification. [1]
Deafness and Hearing Loss: Types, Causes, and More - Health
Apr 20, 2025 · Deafness or profound hearing loss is an auditory condition where a person can't hear anything or may only hear very loud sounds in one or both ears.
Deafness and hearing loss: Causes, symptoms, and treatments
Apr 11, 2023 · Some will rely on lip reading to communicate. Here, we explain the difference between hearing loss and deafness, and the types, causes, and symptoms of both.
Deafness | hearing loss, hearing impairment, deaf culture | Britannica
Nov 9, 2025 · deafness, partial or total inability to hear. The two principal types of deafness are conduction deafness and nerve deafness. In conduction deafness, there is interruption of the …
About Deafness
Deafness refers to a total or partial inability to hear, also known as hearing impairment or hearing loss. It can be a complete loss of hearing or a partial loss where individuals have difficulty …
Hearing loss - Symptoms and causes - Mayo Clinic
Mar 30, 2023 · Symptoms of hearing loss may include: Muffling of speech and other sounds. Trouble understanding words, especially when in a crowd or a noisy place. Trouble hearing …
Deafness, Types of Hearing Loss, and What Causes Each
Sep 25, 2025 · Ability Central breaks down the different types of hearing loss and Deafness, how they differ, and what causes each.
Hearing Loss and Deafness - Treatment, Coping, and More
Learn more about the condition and assistive devices that may be able to help you.