impairment of hearing index

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• Hearing impairment — See also: Deaf culture for the social movement.. Deaf and/or hard of hearing Classification and external resources The International Symbol for Deafness …   Wikipedia

• Hearing (sense) — Hearing (or audition) is one of the traditional five senses. It is the ability to perceive sound by detecting vibrations via an organ such as the ear. The inability to hear is called deafness.In humans and other vertebrates, hearing is performed… …   Wikipedia

• Hearing range — for more detail on human hearing see Audiogram,Equal loudness contours and Hearing impairment. Hearing range usually describes the range of frequencies that can be heard by an animal or human, though it can also refer to the range of levels. In… …   Wikipedia

• Unilateral hearing loss — DiseaseDisorder infobox Name = PAGENAME ICD10 = ICD10|H|90|1|h|90, ICD10|H|90|4|h|90, ICD10|H|90|7|h|90 ICD9 = ICDO = Caption = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = DiseasesDB = Unilateral hearing loss (UHL) or single sided… …   Wikipedia

• Pure tone audiometry — (PTA) is the key hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss. Thus, providing the basis for diagnosis and management. PTA is a subjective …   Wikipedia

• Usher syndrome — Classification and external resources OMIM 276900 276901 DiseasesDB 13611 …   Wikipedia

• Personal Track Safety — A Personal Track Safety (PTS) Certificate is required before anybody is allowed to work within the boundary of Network Rail tracks in the UK. Any potential employee must undergo a medical and a drug and alcohol test before attending a personal… …   Wikipedia

• Cogan syndrome — Classification and external resources DiseasesDB 32705 MeSH D055952 Cogan syndrome is a rare dis …   Wikipedia

• Accessibility — For Wikipedia s accessibility policy, see Wikipedia:Accessibility. For the related design concept, see Universal design. For the logical notion, see Accessibility relation. For accessibility on the internet, see Web accessibility …   Wikipedia

• Down syndrome — Classification and external resources Boy with Down syndrome assembling a …   Wikipedia

• Augmentative and alternative communication — An AAC user indicates a series of numbers on an eye gaze communication board in order to convey a word. Augmentative an …   Wikipedia