8/25/2023 0 Comments Pathological aging hearing lossIt causes disability in about 466 million people (5% of the global population), and moderate to severe disability in 124 million people. Īs of 2013 hearing loss affects about 1.1 billion people to some degree. Access to hearing aids, however, is limited in many areas of the world. Lip reading is another useful skill some develop. For many, hearing aids, sign language, cochlear implants and subtitles are useful. Early identification and support are particularly important in children. The World Health Organization recommends that young people limit exposure to loud sounds and the use of personal audio players to an hour a day in an effort to limit exposure to noise. Such practices include immunization, proper care around pregnancy, avoiding loud noise, and avoiding certain medications. Ībout half of hearing loss globally is preventable through public health measures. There are three main types of hearing loss: conductive hearing loss, sensorineural hearing loss, and mixed hearing loss. Hearing loss can be categorized as mild (25 to 40 dB), moderate (41 to 55 dB), moderate-severe (56 to 70 dB), severe (71 to 90 dB), or profound (greater than 90 dB). Testing for poor hearing is recommended for all newborns. Hearing loss is diagnosed when hearing testing finds that a person is unable to hear 25 decibels in at least one ear. Certain infections during pregnancy, such as cytomegalovirus, syphilis and rubella, may also cause hearing loss in the child. A common condition that results in hearing loss is chronic ear infections. Hearing loss may be caused by a number of factors, including: genetics, ageing, exposure to noise, some infections, birth complications, trauma to the ear, and certain medications or toxins. Deaf people usually have little to no hearing. In some people, particularly older people, hearing loss can result in loneliness. Hearing loss related to age usually affects both ears and is due to cochlear hair cell loss. Hearing loss can be temporary or permanent. 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. Hearing loss may occur in one or both ears. Hearing loss may be present at birth or acquired at any time afterwards. Hearing loss is a partial or total inability to hear. ![]() Hearing aids, sign language, cochlear implants, subtitles Immunization, proper care around pregnancy, avoiding loud noise, avoiding certain medications Genetics, aging, exposure to noise, some infections, birth complications, trauma to the ear, certain medications or toxins The international symbol of deafness and hearing lossĬonductive, sensorineural, and mixed hearing loss, central auditory dysfunction ![]() Deaf or hard of hearing anakusis or anacusis is total deafness
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