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Deafness (little to no hearing) is distinguished from partial hearing loss or damage (such as tinnitus), which is less severe impairment in one or both sides. The definition of deafness varies across countries, cultures, and time, though the World Health Organization classes profound hearing loss as the failure to hear a sound of 90 decibels or ...
Disability in mobility can be a congenital or acquired problem or a consequence of disease. People who have a broken skeletal structure also fall into this category. Visual impairment is another type of physical impairment. There are hundreds of thousands of people with minor to various serious vision injuries or impairments.
The International Symbol for Deafness is used to identify facilities with hearing augmentation services, especially assistive listening devices. [4]In a medical context, deafness is defined as a degree of hearing difference such that a person is unable to understand speech, even in the presence of amplification. [1]
Legg–Calvé–Perthes disease; Legius syndrome; Leiner's disease; Lelis syndrome; Lemierre's syndrome; Lennox–Gastaut syndrome; Lenz microphthalmia syndrome; Lenz–Majewski syndrome; Leriche's syndrome; Leschke syndrome; Lesch–Nyhan syndrome; Lethal congenital contracture syndrome; Lethal white syndrome
Note: This category's interpretation of disability is quite broad, and may include people with medical conditions that may not typically be considered disabled. See also Category:People with disabilities .
Hearing loss is a partial or total inability to hear. [5] Hearing loss may be present at birth or acquired at any time afterwards. [6] [7] Hearing loss may occur in one or both ears. [2] In children, hearing problems can affect the ability to acquire spoken language, and in adults it can create difficulties with social interaction and at work. [8]
People don't get to choose the illnesses that render them too disabled to work, but insurance companies have the power to approve or deny claims based on where in the body their condition exists.
The medical model of deafness originates from medical, social welfare and majority cultural notions of the absence of the ability to hear as being an illness or a physical disability. It stems from a more comprehensive and far-reaching medical model of disability. [2]