What's the difference between acuity and focus?

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.

Focus


Definition:

  • (n.) A point in which the rays of light meet, after being reflected or refrcted, and at which the image is formed; as, the focus of a lens or mirror.
  • (n.) A point so related to a conic section and certain straight line called the directrix that the ratio of the distace between any point of the curve and the focus to the distance of the same point from the directrix is constant.
  • (n.) A central point; a point of concentration.
  • (v. t.) To bring to a focus; to focalize; as, to focus a camera.

Example Sentences:

  • (1) Work on humoral responses has focused on lysozyme, the hemagglutinins (especially in the oyster), and the clearance of certain antigens.
  • (2) Family therapists have attempted to convert the acting-out behavioral disorders into an effective state, i.e., make the family aware of their feelings of deprivation by focusing on the aggressive component.
  • (3) Now, as the Senate takes up a weakened House bill along with the House's strengthened backdoor-proof amendment, it's time to put focus back on sweeping reform.
  • (4) Focusing on two prospective payment systems that operated concurrently in New Jersey, this study employs the hospital department as the unit of analysis and compares the effects of the all-payer DRG system with those of the SHARE program on hospitals.
  • (5) The review provides an update of drug-induced pulmonary disorders, focusing on newer agents whose effects on the lung have been studied recently.
  • (6) This study reports the analysis of a transvestite man through focusing on his marital interaction and his wife's complementary behavior to his perversion.
  • (7) Subsequent isoelectric focusing in sucrose revealed an isoelectric point of 9.0-9.2.
  • (8) Streaming is shown to occur in water in the focused beams produced by a number of medical pulse-echo devices.
  • (9) Other recommendations for immediate action included a review of the Nursing and Midwifery Council and the General Medical Council for doctors, with possible changes to their structures; the possible transfer of powers to launch criminal prosecutions for care scandals from the Health and Safety Executive to the Care Quality Council; and a new inspection regime, which would focus more closely on how clean, safe and caring hospitals were.
  • (10) For enrolled nurses an increase in "Intrinsic Job Satisfaction" was less well maintained and no differences were found over time on "Patient Focus".
  • (11) Isoelectric points for two normal liver isoenzymes demonstrable by isoelectric focusing are pH5.9 and 6.0.
  • (12) "As part of this de-leveraging process, the group will also focus on eliminating any loss-making businesses."
  • (13) Serum and pituitary gonadotropins, hypothalamic luteinizing hormone-releasing hormone (LHRH), and the profile of FSH forms across the isoelectric focusing gel were determined by radioimmunoassay.
  • (14) However, the City focused on the improvement in the fortunes of its Irish business, Ulster bank, and its new mini bad bank which led to a 1.8% rise in the shares to 368p.
  • (15) The primary focus of both nonpharmacologic and pharmacologic therapy should be to control systemic blood pressure in a simple, affordable, and nontoxic fashion that provides an adequate quality of life.
  • (16) Proper function of proteinases such as PA may require focusing of activity on a cellular level.
  • (17) The organisation initially focused on education, funding the Indian company BYJU’s, which helps students learn maths and science, and the Nigerian company Andela, which trains African software developers.
  • (18) Inclusion-forming and non-inclusion-forming elementary bodies focused in one band at pI 4.64.
  • (19) This review focused on the methods used to identify language impairment in specifically language-impaired subjects participating in 72 research studies that were described in four journals from 1983 to 1988.
  • (20) Network #5 conducted a pilot study of state survey results to profile data for Medical Review Board (MRB) analysis and to identify potential areas where educational activities could be focused.