
Deafness and hearing loss - World Health Organization (WHO)
Feb 26, 2025 · Hearing loss may be mild, moderate, moderately severe, severe or profound. It can affect one ear or both ears and leads to difficulty in hearing conversational speech or loud …
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 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.
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 - 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: Causes, symptoms, and treatments
Apr 11, 2023 · Various factors can cause hearing loss, including physical damage to the ear, diseases, and long-term exposure to loud noises. Different types of hearing loss affect …
Hearing Loss: Types, Symptoms, Causes & Treatment
Hearing loss happens when something affects your hearing system. If you have hearing loss, you may have trouble understanding, following or participating in conversations. It may be hard for …
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.
Deafness | hearing loss, hearing impairment, deaf culture | Britannica
Sep 30, 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 …
Hearing Loss and Deafness - Treatment, Coping, and More
Learn more about the condition and assistive devices that may be able to help you.