VISUAL ACUITY

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does visual acuity mean? 

• VISUAL ACUITY (noun)
  The noun VISUAL ACUITY has 1 sense:

1. sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)

  Familiarity information: VISUAL ACUITY used as a noun is very rare.

 Dictionary entry details 

• VISUAL ACUITY (noun)

Sense 1

Meaning:

Sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)

Classified under:

Nouns denoting cognitive processes and contents

Synonyms:

acuity; sharp-sightedness; visual acuity

Hypernyms ("visual acuity" is a kind of...):

sight; vision; visual modality; visual sense (the ability to see; the visual faculty)

Hyponyms (each of the following is a kind of "visual acuity"):

20/20; twenty-twenty (normal visual acuity, as measured by the ability to read charts at a distance of 20 feet)

oxyopia (unusually acute vision)

 Context examples 

Clinical manifestations include decreased visual acuity; EXOPHTHALMOS; NYSTAGMUS; STRABISMUS; pallor or swelling of the optic disc; and INTRACRANIAL HYPERTENSION.

(Optic Nerve Glioma, NLM, Medical Subject Headings)

This results in a decrease in visual acuity and eventual blindness if untreated.

(Cataract, NCI Thesaurus/CTCAE)

Partial or complete opacity of the crystalline lens of one or both eyes that decreases visual acuity and eventually results in blindness.

(Cataract, NCI Thesaurus)

Partial or complete opacity of the crystalline lens of both eyes that decreases visual acuity and eventually results in blindness.

(Bilateral Cataracts, NCI Thesaurus)

Blurred vision is the loss of visual acuity (sharpness of vision) resulting in a loss of ability to see small details.

(Blurred Vision, NCI Thesaurus)

The consequences of the increased pressure may be manifested in a variety of symptoms, depending upon type and severity, such as excavation of the optic disk, hardness of the eyeball, corneal anesthesia, reduced visual acuity, seeing of colored halos around lights, disturbed dark adaptation, visual field defects, and headaches.

(Glaucoma, NLM, Medical Subject Headings)