Clinical Attribute
visual acuity
vis·u·al a·cu·i·ty
Subclass of:
Ocular Physiological Phenomena;
Visual Perception;
Vision Tests
Definitions related to visual acuity:
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Clarity or sharpness of OCULAR VISION or the ability of the eye to see fine details. Visual acuity depends on the functions of RETINA, neuronal transmission, and the interpretative ability of the brain. Normal visual acuity is expressed as 20/20 indicating that one can see at 20 feet what should normally be seen at that distance. Visual acuity can also be influenced by brightness, color, and contrast.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Sharpness of vision, the ability to discern fine detail.NCI ThesaurusU.S. National Cancer Institute, 2021
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The eye's ability to see sharply, usually measured in comparison to what a normal eye would see from 20 feet. Problems in visual acuity can usually be corrected with eyeglasses.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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