What's the difference between acuity and vacuity?

Acuity


Definition:

  • (n.) Sharpness or acuteness, as of a needle, wit, etc.

Example Sentences:

  • (1) The high incidence of infant astigmatism has implications for critical periods in human visual development and for infant acuity.
  • (2) We have now started a prospective follow-up study in order to pursue the development of (a) p-ERG amplitudes and (b) funduscopic changes and visual acuity in these patients.
  • (3) At this threshold there was no effect on reducing the rate of visual acuity overreferrals, but ten children with abnormal binocular vision were detected who were not referred by visual acuity criteria.
  • (4) Degraded visual acuity had a significant effect on cadence, foot placement, and foot clearance, but visual surround conditions did not.
  • (5) On the initial visit, the best corrected acuity with spectacles was determined and a potential acuity meter reading was obtained; this test suggested potential for visual recovery in two of the three patients.
  • (6) Visual acuity was improved in 77%, was worse in 13%, and unchanged in 10% of eyes.
  • (7) The contra-indications for them are: 1. a better visual acuity with spectacles than with contact lenses, 2. advanced cases (4th degree of Amsler) whose fitting is impossible, 3. unilateral keratoconus, 4. associated diseases such as trachomatous pannus, allergic kerato-conjunctivitis.
  • (8) Near acuity with distance correction was J2 or more in 93.1% of the bifocals and in 17.4% of the monofocals (without correction: 79.3% and 41.4%, respectively).
  • (9) A visual acuity of 0.05 or better was achieved in 36% of the eyes treated with silicone oil versus 67% of the eyes treated with gas tamponade.
  • (10) No complications occurred, and visual acuity was good.
  • (11) Myopia ranged from -1.0 D to -9.0 D. Forty-two eyes (53%) achieved uncorrected visual acuity (VA) of 1.0 or better and 73 eyes (92%) better than 0.5.
  • (12) In remote terms (after four months) further improvement of visual functions was recorded, visual acuity increased by 0.3-0.6 in 8 of 15 patients.
  • (13) We examined 84 eyes with different lens opacities, the visual acuity was analysed in relation to the axial, cortical and capsular cataract.
  • (14) If there is any advantage to a particular strategy for selecting the distance monovision eye, it must be realized in vision performance areas other than visual acuity.
  • (15) 9 of the injured eyes had a reduction of visual acuity to 0.5 or less as a consequence of lens or central fundus changings.
  • (16) Our experiments try to verify the possibility of assessing visual acuity in children under Ethrane anesthesia.
  • (17) The final visual acuity was 0.4 or better in 83.3% of the eyes with transient CME.
  • (18) Postoperatively, visual acuity was improved and symptoms of erosion decreased in both patients.
  • (19) Acuity for the direction of drift for these stimuli is of the same order of precision as orientation acuity for static or drifting gratings, and exhibits a meridional anisotropy that favours the principal meridians.
  • (20) The CNVMs were treated in four patients; final visual acuity was poor in all eight patients.

Vacuity


Definition:

  • (n.) The quality or state of being vacuous, or not filled; emptiness; vacancy; as, vacuity of mind; vacuity of countenance.
  • (n.) Space unfilled or unoccupied, or occupied with an invisible fluid only; emptiness; void; vacuum.
  • (n.) Want of reality; inanity; nihility.

Example Sentences:

  • (1) The head of one Tory thinktank judges : “We are going to see the thinnest, most feeble manifesto full of vacuities – but that is a real problem.
  • (2) "Given the vacuity of this current document, Kevin Donnelly and Ken Wiltshire have essentially only three more months to review six years’ worth of work by hundreds of experts," Wright said.
  • (3) However, patients with high scores on test scales such as regression, hypochondria, or emotional vacuity showed better fertility characteristics.
  • (4) 2 Stupid Spoiled Whore Video Playlist Paris Hilton is the target; her dog kills itself and the heiress's supposed vacuity is ridiculed in catchy songs.
  • (5) Kate Smart Director, Asylum Welcome • The deaths of so many migrants in the Mediterranean shows the moral vacuity of EU governments’ belief that we can inoculate ourselves from our moral and legal duty to those in need.
  • (6) That politics is bereft of altruists, philanthropists and idealists but instead throbs and bristles with stunted show-offs, who, granted flatter abs and cuter noses, would be jiving and caterwauling on Britain's Got Talent or staring with glum vacuity down the barrel of a camera in a mock corridor in Holby City.
  • (7) For all the moral vacuity and corruption endemic in football's world governing body when it made the decision – and president Sepp Blatter 's oily evasions – this shame is on a greater scale than football.
  • (8) They think, deep in their hearts, that they are better than we are because we had to discover the compensations and refuges of life for ourselves.” Fitzgerald questioned the moral and ethical vacuity of the rich in his works.
  • (9) Peri-operative cholangiography should be performed routinely, not only to verify the vacuity of the common bile duct (13% of the conversions) but, more particularly, to ensure the integrity of the principal biliary pathway during the dissection (8.5% of the conversions).
  • (10) Right from an opening extravaganza of workers in hard hats toiling away to the tune of a drill, on through to a penultimate act featuring a horse and donkey, the entertainment was a gala evening managing to combine the Bolshoi's long history of grand performance with modern Russia's supposed cultural vacuity.
  • (11) In previous essays she said the former Daily Show presenter Jon Stewart symbolised the “decline and vacuity of contemporary comedy”, criticised Lady Gaga for being “artificial and calculated” and drew comparisons between Bill Clinton and the entertainer Bill Cosby, who is the subject of more than 50 allegations of sexual assault.
  • (12) Leader 'shipping' and transference Part of what piqued people's interest was Brand's change of direction away from the vacuity of celebrity.
  • (13) These eccentricities can be attributed to failure of the author to engage the mind before activating the pen, a lapse of attention during preparation of the manuscript, or an effort to convey profundity and conceal vacuity by inflated and pompous language.
  • (14) With a series of interlocking, almost Jacobean sexual betrayals and an eerily prescient plot twist involving an online chatroom, the script rams home the vacuity and folly of desire, particularly in a world where it can ostensibly be satisfied on tap.
  • (15) Worse, he combined a goofy water bottle moment with a State of the Union response speech of tireless weepy vacuity that exposed his lightweight status.
  • (16) Success was assumed if vaginal bleeding occurred between days 3-8, ultrasonic examination confirmed uterine vacuity, and a decrease in plasma HCG level was observed.
  • (17) The vacuity of the CBD was obtained in 96.5 p. 100 of the cases.
  • (18) These findings suggest that the intralobular lymphatic vessels may originate from the vacuities that surround the postcapillary venules, and the lymphatic system may function as a pathway for the migration of lymphocytes into or out of the lymphatic circulation.
  • (19) (May has now added a second line to the mantra: “It means we are going to leave the European Union.”) To the cynical ear this is vacuity dressed in tautology.
  • (20) The show’s title – a reference to the fake area code used in Hollywood movies – hints at both the California setting and the sheer vacuity of the characters inhabited by Berlant and Early across the series.

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