| hearing impaired persons | Persons with any degree of loss of hearing that has an impact on their activities of daily living or that requires special assistance or intervention. (12 Dec 1998) |
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| visually impaired persons | Persons with loss of vision such that there is an impact on activities of daily living. (12 Dec 1998) |
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| rehabilitation of hearing impaired | Procedures for assisting a person with a hearing disorder to maximum comprehension in communication. (12 Dec 1998) |
| child of impaired parents | A child of one or more parents afflicted by an organic, psychiatric, or behavioural disorder. Articles on this subject tend to focus on the child from the social, behavioural, or psychological viewpoint, rather than the genetic. (12 Dec 1998) |
| impaired glucose tolerance | Blood glucose (sugar) levels higher than normal but not high enough to be called diabetes. People with impaired glucose tolerance may or may not develop diabetes. Other names (no longer used) for impaired glucose tolerance are borderline, subclinical, chemical, or latent diabetes. (30 Mar 1998) |
| mentally disabled persons | Persons diagnosed as having significantly lower than average intelligence and considerable problems in adapting to everyday life or lacking independence in regard to activities of daily living. (12 Dec 1998) |
| persons | Persons as individuals (e.g., abortion applicants) or as members of a group (e.g., hispanic americans). It is not used for members of the various professions (e.g., physicians) or occupations (e.g., librarians) for which occupational groups is available. (12 Dec 1998) |
| homebound persons | Those unable to leave home without exceptional effort and support; patients (in this condition) who are provided with or are eligible for home health services, including medical treatment and personal care. Persons are considered homebound even if they may be infrequently and briefly absent from home if these absences do not indicate an ability to receive health care in a professional's office or health care facility. (12 Dec 1998) |
| homeless persons | Persons who have no permanent residence. The concept excludes nomadic peoples. (12 Dec 1998) |
| disabled persons | Persons with physical or mental disabilities that affect or limit their activities of daily living and that may require special accommodations. (12 Dec 1998) |
| american speech-language-hearing association | A professional society concerned with the diagnosis, prevention, treatment, and remediation of speech, language, and hearing disorders. (12 Dec 1998) |
| resonance theory of hearing | That the basilar membrane of the cochlea acts as a resonating structure, recording low tones from its apical turns and high tones from its basal turns. Synonym: Helmholtz theory of hearing. (05 Mar 2000) |
| Weber's test for hearing | The application of a vibrating tuning fork to one of several points in the midline of the head or face, to ascertain in which ear the sound is heard best by bone conduction, that ear being the affected one if the sound-conducting apparatus (middle ear) is at fault (positive test), but probably the normal one if the neurosensory apparatus is diseased (negative test). (05 Mar 2000) |
| conductive hearing loss | <otolaryngology> A form of deafness that results from a blockage of the ear canal or dysfunction of the ossicles or eardrum (sound collecting apparatus). In conductive hearing loss the auditory nerve is normal, but there exists a physical problem with the sound collecting apparatus. (05 Jan 1998) |
| hearing | The sensation of sound. (12 Dec 1998) |
| hearing aid | An electronic amplifying device designed to bring sound more effectively into the ear; it consists of a microphone, amplifier, and receiver. (05 Mar 2000) |