
1) Acuity of mind 2) Acuteness 3) French word used in English 4) Keen perception 5) Keenness 6) Keenness of vision 7) Keenness, sharpness 8) Mental sharpness 9) Perspicacity 10) Sharp character 11) Sharp vision 12) Sharp-sightedness 13) Sharpness 14) Sharpness of sight 15) Sharpness of vision 16) Sight
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https://www.crosswordclues.com/clue/acuity

• (n.) Sharpness or acuteness, as of a needle, wit, etc.
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http://thinkexist.com/dictionary/meaning/acuity/

(L. acuitas sharpness) clarity or clearness, especially of the vision.
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http://users.ugent.be/~rvdstich/eugloss/DIC/dictio02.html

<ophthalmology> The clarity or clearness, especially of the vision or hearing. ... Origin: L. Acuitas = sharpness ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973

(ә-ku´ĭ-te) clearness of the visual perception of an image. visual acuity the ability to discriminate visually between forms.
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http://www.encyclo.co.uk/local/21001

Clearness, as in visual acuity. The most common measure of visual acuity is the Snellen eye chart. Normal acuity is having 6/6 vision.
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http://www.encyclo.co.uk/local/21361
A·cu'i·ty noun [ Late Latin
acuitas : confer French
acuité .] Sharpness or acuteness, as of a needle, wit, etc.
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http://www.encyclo.co.uk/webster/A/24

Sharpness or clearness of vision.
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http://www.gadsbywicks.co.uk/uploaded/3822.pdf

Type: Term Pronunciation: ă-kyū′i-tē Definitions: 1. Sharpness, clearness, distinctness. 2. Severity.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=992

the fineness of detail the eye can distinguish, see resolution
Found on
http://www.trayner.co.uk/Info/Glossary.html

[
n] - sharpness of vision
Found on
http://www.webdictionary.co.uk/definition.php?query=acuity

acuity 1. Acuteness, keeness, as of thought or vision; severity. 2. Special degree of sensitivity.
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http://www.wordinfo.info/words/index/info/view_unit/1102/
sharp-sightedness noun sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
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https://www.encyclo.co.uk/local/20974

sharpness; acuteness; keenness: acuity of vision; acuity of mind.
Found on
https://www.infoplease.com/dictionary/acuity
No exact match found.