visual acuity

the degree of clarity, or sharpness, of visual perception. It may be measured in several ways; for example, by testing one’s ability to detect very small gaps between two parts of a figure (the minimum separable method), or to discern a fine dark line on a light background or a fine light line on a dark background. See also acuity grating; Landolt circles; Snellen chart.

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Psychology term of the day

November 14th 2024

collaborative family health care

a form of interdisciplinary practice based on the belief that health events occur simultaneously on biological, psychological, and social levels. Collaborative clinicians share decision making and responsibility with patients and their families and integrate clinical expertise from relevant disciplines to provide patients with comprehensive and coordinated care.