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Visual Acuity

"Visual Acuity" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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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.


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This graph shows the total number of publications written about "Visual Acuity" by people in this website by year, and whether "Visual Acuity" was a major or minor topic of these publications.
Bar chart showing 567 publications over 31 distinct years, with a maximum of 47 publications in 2018
To see the data from this visualization as text, click here.
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