Category: V
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Visual inspection with acetic acid
Inspection of the surface of the uterine cervix after 5% acetic acid has been applied to it. VIA is a test sometimes used to determine whether the cervix is infected with human papilloma virus or whether irregularities seen on the cervix may be cancerous or precancerous.
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Visual-constructional apraxia
The inability to assemble or draw an object after viewing its image or a model of it. This form of apraxia is commonly seen in patients with brain injuries or dementias with parietal lobe lesions.
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Visual cone
The cone whose vertex is at the eye and whose generating lines touch the boundary of a visible object.
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Visual angle
The angle between the line of sight and the extremities of the object seen.
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VistA-Office electronic health record
Electronic medical record software developed by the U.S. Veterans Administration and marketed to private medical practices beginning in 2005.
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Visiting nurse association
A voluntary health agency that provides nursing services in the home, including health supervision, education and counseling, and maintenance of the medical regimen. Nurses and other personnel such as home health aides who are specifically trained for tasks of personal bedside care provide the services offered by the agency. These agencies originated in the visiting…
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Visitability
Residential home accessibility, i.e., a group of design features that help people with disabilities to enter, maneuver in, and use the toilet in every newly designed home. Some architectural features of homes with visit ability include having at least one entrance without a step, 32-in wide passages from one room to another, and an easily…
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Vision without sight
The ability of individuals who are blind and unable to perceive visual stimuli, including bright light, to respond to light.
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Visibility
The quality of being visible.
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Viscosimetry
Measurement of the viscosity of a substance.