Definition, Meaning & Synonyms | English word ACUITY

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Definitions of ACUITY

1. Sharpness or acuteness, as of a needle, wit, etc.
2. (figurative) The ability to think, see, or hear clearly.

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Examples of Using ACUITY in a Sentence

• Early structural biologists throughout the 19th and early 20th centuries were primarily only able to study structures to the limit of the naked eye's visual acuity and through magnifying glasses and light microscopes.
• This subfamily are mainly woodland birds with short broad wings, long tails, and high visual acuity.
• A standard value of CoC is often associated with each image format, but the most appropriate value depends on visual acuity, viewing conditions, and the amount of enlargement.
• Chroma subsampling is the practice of encoding images by implementing less resolution for chroma information than for luma information, taking advantage of the human visual system's lower acuity for color differences than for luminance.
• Hypothermia:, which can reduce the mental acuity, reasoning capacity and cognitive function of the diver, possibly leading to accidents and work errors.
• In some countries, 20/20 indicates normal visual acuity at 20 feet, from which derives the idiom "hindsight is 20/20".
• On the flip side, some elders may insist on continuing activities in late life that pose a danger to themselves and others, such as driving at night with low visual acuity or doing maintenance work to the house while climbing with severely arthritic knees.
• The rankings are specifically based on a different methodology which looks at difficult (high acuity) cases within 16 specialties including cancer; diabetes and endocrinology; ear, nose, and throat; gastroenterology, geriatrics, gynecology; heart and heart surgery; kidney disorders; neurology and neurosurgery; ophthalmology, orthopedics, psychiatry, pulmonology, rehabilitation, rheumatology, and urology.
• Oligocone trichromacy - poor visual acuity and impairment of cone function according to ERG, but without significant color vision loss.
• Amblyopia is characterized by several functional abnormalities in spatial vision, including reductions in visual acuity, contrast sensitivity function, and vernier acuity, as well as spatial distortion, abnormal spatial interactions, and impaired contour detection.
• A common optical cause of low visual acuity is refractive error (ametropia): errors in how the light is refracted in the eye.
• Drax returns to Titan with Moondragon, who successfully petitions Kronos to restore Drax's mind to its former acuity at the cost of some physical power.
• Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula developed by his professor Franciscus Cornelius Donders.
• The parafovea is the intermediate belt, where the ganglion cell layer is composed of more than five layers of cells, as well as the highest density of cones; the perifovea is the outermost region where the ganglion cell layer contains two to four layers of cells, and is where visual acuity is below the optimum.
• A scotoma is an area of partial alteration in the field of vision consisting of a partially diminished or entirely degenerated visual acuity that is surrounded by a field of normal – or relatively well-preserved – vision.
• The basic requirements for joining the Eagle Squadron were a high school diploma, age 20 to 31 years, visual acuity of 20/40 correctable to 20/20, and 300 hours of certified flying time.
• Changes to the more permissive minimum uncorrected acuity requirements (listed in parentheses) were made in June 1942.
• It was due to this business acuity that before signing with the Canadiens he uncovered what Ken Reardon and Elmer Lach, already playing with the Montreal, were currently earning.
• A full eye examination consists of an external examination, followed by specific tests for visual acuity, pupil function, extraocular muscle motility, visual fields, intraocular pressure and ophthalmoscopy through a dilated pupil.
• "Grogginess", as defined by a drowsy or disoriented state in which there is a dampening of sensory acuity and mental processing.
• Refractive "vision correction" surgery (especially PRK with the complication of "haze") may rarely cause a reduction in best night-time acuity due to the impairment of contrast sensitivity function (CSF) which is induced by intraocular light-scatter resulting from surgical intervention in the natural structural integrity of the cornea.
• Optic ataxia is the inability to guide the hand toward an object using visual information where the inability cannot be explained by motor, somatosensory, visual field deficits or acuity deficits.
• A reduction in visual acuity in a 'red eye' is indicative of serious ocular disease, such as keratitis, iridocyclitis, and glaucoma, and never occurs in simple conjunctivitis without accompanying corneal involvement.
• Stephen Holden of The New York Times called it a "bracingly truthful" coming-of-age film that "digs into the flaming recesses of the adolescent mind with such acuity, compassion and good humor that it will plummet you back to that painfully awkward age".
• McKeen Cattell's work which combined the ideas of Wilhelm Wundt and Francis Galton saying that those who are intellectually superior will have better "sensory acuity, strength of grip, sensitivity to pain, and memory for dictated consonants".

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