(n.) A great fall of water over a precipice; a large waterfall.
(n.) An opacity of the crystalline lens, or of its capsule, which prevents the passage of the rays of light and impairs or destroys the sight.
(n.) A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot.
Example Sentences:
(1) Instead of later renal failure and, of course, mental retardation, it was the histological features of the fetus eyes which permit to diagnose and exhibit both congenital cataract and irido-corneal angle dysgenesis.
(2) Hyperopia was more common in younger persons, but senile cataract, macular degeneration and palpebral dermatochalasis or blepharochalasis were more common in older persons.
(3) Two patients developed cataract following tetracycline therapy.
(4) Eighteen cases (28 eyes) with congenital cataracts are analyzed.
(5) The evidence linking increased sorbitol pathway activity to diabetic complications, such as cataract and neuropathy in animal models, suggests that aldose reductase inhibitors will be useful therapeutic agents in human diabetics.
(6) This study of 47 patients from 11 families with neurofibromatosis type 2 (NF 2) confirms our previously reported association between posterior capsular cataract and NF 2.
(7) We examined 84 eyes with different lens opacities, the visual acuity was analysed in relation to the axial, cortical and capsular cataract.
(8) The most important ocular side effect of the systemic adiministration of corticosteroids is the formation of a posterior subcapsular cataract.
(9) About 7% of all Saudi Arabians, and 42% of those older than 40 years, have a cataract or its sequelae.
(10) A 60-year-old man developed periodic alternating nystagmus in association with decreased vision due to cataracts.
(11) We describe our technique of endocapsular cataract extraction and insertion of an intraocular lens and prospectively compare 93 eyes which underwent endocapsular cataract extraction with 83 which underwent a standard extracapsular procedure.
(12) I believe that 80% of all cataract surgery within the next 10 years will be performed with extracapsular extraction and lens implantation.
(13) The eye was subsequently enucleated and histopathology confirmed the diagnosis of retinoblastoma associated with anterior polar cataract.
(14) One hundred twenty-five patients were entered into a prospective investigation designed to assess the effect of intraoperative surface modification of PMMA, by coating with a 2% hydroxypropyl methylcellulose solution, on the incidence of fibrinous uveitis after extracapsular cataract surgery and lens implantation.
(15) Knowledge of the incidence of both short- and long-term elevation of intraocular pressure (IOP) after extracapsular cataract extraction (ECCE) and posterior chamber intraocular lens (PC-IOL) insertion is essential for the practicing ophthalmologist.
(16) The shortest latent period of cataract development was three years and the youngest subject was only 22 years old.
(17) Severe iritis which occurs within the first five days after cataract extraction may be categorized as (1) bacterial endophthalmitis, (2) toxic iritis, or (3) aseptic iritis.
(18) Cataracts accounted for 22% of bilateral and 6% of monocular blindness.
(19) After doing, over the past two years, 55 Copeland iris plane lenses combined with intracapsular cataract extraction, I find it to be a relatively simple procedure.
(20) Emory mice (EM) are genetically predisposed to late-onset cataract formation.
Couching
Definition:
(p. pr. & vb. n.) of Couch
(n.) The operation of putting down or displacing the opaque lens in cataract.
(n.) Embroidering by laying the materials upon the surface of the foundation, instead of drawing them through.
Example Sentences:
(1) A changed position of the mirror-reflector in the Rubin-2 thermovision unit as well as the use of an improved model of the couch-chair and a special cassette for electrochemical paper reduce the labour input and raise the information value of the method.
(2) But had it been couched in "more cautious terms or less certain terms may not have been capable of criticism at all".
(3) To make adjustments, the couch longitudinal position was changed 20 times (range -10 to +15 mm).
(4) The gene has been named couch potato (cpo) because several insertional alleles alter adult behavior.
(5) In addition to representing the analysis or the analyst in general, the couch can represent the unconscious, or it may take on the symbolic significance of the analyst's or mother's arms, lap, breasts, or womb.
(6) Treatment was then planned for a 6 MV linear accelerator using a vertical couch extender which enables the patient to remain supine throughout the treatment by increasing the table height to allow the posterior portal to be treated through the couch.
(7) Beside 82% of failures these case reports on cataract-couching contain postoperative complications, epicritically symptomatic for today's clinical pictures, which have been etiologically unknown in 1751.
(8) By going to college and graduate school, I thought I was insulating myself from being broke and sleeping on friends’ couches and being hungry again.
(9) We sat on the couch and watched as Madiba was set free.
(10) Her symptoms were subclinical fever, couch, hemosputum and frequent respiratory infections.
(11) These Church objectives suggest a set of CHA objectives, or functions, couched here in the language of long range planning so that they might lend themselves to strategy making.
(12) Murine squamous carcinoma cells (KLN205) grown in a medium supplemented with the retinoid, 13-cis retinoic acid (RA), had dose-dependent, selective increases in the expression of certain lectin receptors, which correlated with a dramatic decrease in the ability to form pulmonary colonies (P = .0003) (Couch MJ, Pauli BU, Weinstein RS, Coon JS: JNCI, 78:971-977, 1987).
(13) Advantages of isocentrical techniques are thereby maintained, but the number of mechanical movements required is minimized and collimators and couch rotations are not needed.
(14) Blotting, adsorption and elution and inhibition studies clearly demonstrated allergenic cross-reactivity (that is, antigenic cross-reactivity detected by IgE antibodies) between olive, privet, ryegrass (Lolium perenne) and couch grass (Bermuda grass: Cynodon dactylon) pollen components.
(15) Yesterday, David Cameron pushed things along , acknowledging that boosting Holyrood’s status would reopen big questions for England, and making reference to last year’s report by the McKay commission – a plan that offered a somewhat underwhelming vision of “compromise rather than conflict”, but set out a future in which: “Decisions taken in the Commons which have a separate and distinct effect for England (or England-and-Wales)” would largely “be taken only with the consent of a majority of MPs sitting for constituencies in England (or England-and-Wales).” As is usually the case with such texts, most of it was couched in terms of deadened officialspeak.
(16) The intersection of a therapy x-ray beam with steel rails beneath or along the side of the patient support couch should be avoided.
(17) When grouped into the 6 key words, the opinions uncovered a vast somatic field, confusion couched in metonymic figures of speech, such as using the term "woman" for "mental patient," moral, genital and sexual connotations.
(18) Landrieu has more or less said that she supports it, personally , but has always couched those statements with a clear desire not to go against her state's consensus.
(19) To our right, four miles of wide clean beach, fringed by bumpy low sand dunes sprouted here and there with couch grass, flowering creepers and low bushes.
(20) This paper develops a theory outlining the formation and evolution of a symbol couched in terms of the neural substrate.