(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.
Opacity
Definition:
(n.) The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
(n.) Obscurity; want of clearness.
Example Sentences:
(1) Only seven films (or 0.7 percent of the entire cohort) showed nodular or rounded opacities of the type typically seen in uncomplicated silicosis.
(2) The results showed that dogfish lenses developed superficial opacities due to near-UV exposure.
(3) We examined 84 eyes with different lens opacities, the visual acuity was analysed in relation to the axial, cortical and capsular cataract.
(4) Presence of aspecific lens opacities also did not correlate with the risk of having inherited the DM gene.
(5) The opacity changes resulting from storage in water can be reduced by increasing the polymerization time.
(6) Correlation with high-resolution computed tomography in two patients indicated that this opacity represented a sagittal orientation of the anterior minor fissure, with resultant inferomedial curving of the right upper lobe of the lung along the right border of the heart.
(7) Complications of trachoma (trichiasis and opacities) were common in this age group compared to those under 6 years of age.
(8) In conclusion, obliteration of the inner margin of the central vein and the opacity that decreased the radiolucency extending to the peripheral side of the upper lobe bronchus are strongly suggestive of interlobar lymph node enlargement.
(9) Experiences with surgical treatment of chronic endogenous uveitis in human patients have shown that vision-impairing axial opacities in the vitreous body can be removed by pars plana vitrectomy, and that a considerable decrease in the frequency and severity of uveitic relapses results.
(10) There is all sorts of opacity which makes it easy for an employee to suffer retaliation.” Despite recent reforms to improve transparency and accountability, the organisation remains impervious to public scrutiny, with no established mechanism for freedom of information – a right which more than 100 governments around the world have enshrined in law, and is openly advocated by UN bodies such as Unesco.
(11) These include fibrosis with or without consolidation (n = 12), ground-glass opacities (n = 7), widespread bilateral consolidation (n = 2), and bronchial wall thickening with areas of decreased attenuation (n = 2).
(12) Breaks responsible for rhegmatogenous retinal detachments in 78 eyes could not be seen preoperatively owing to opacities in the media, previous buckling or other causes.
(13) Opacities increased with increasing concentrations of NaLS from 5 X 10(-4) M to 5 X 10(-2) M, but at 5 X 10(-1) M all corneal preparations showed a decrease in opacity.
(14) In an increasingly digital society, the justification for opacity in trade negotiations has met its demise, and it's time that we see modern legal instruments negotiated in a transparent and inclusive manner in order to get the best outcome for our country.
(15) However, liver function tests and eye examinations for possible lens opacities are advised, and further long term studies in larger groups of patients are necessary before the side effect profile of lovastatin will be clearly established.
(16) Electron microscopy of L1210 cells exposed a short time (90 min) to 0.21-21 microM DHAQ reveals segregation of nucleoli; the segregated granular portion shows increased electron opacity.
(17) Lenticular lesions were present in all but two of the 18 patients with detailed ocular examination, whereas corneal opacities were found more often in type II than type I disease.
(18) Each control animal also developed a local lens opacity at the site of the capsular tear, as did half the animals treated with the discrete pattern.
(19) A critical discussion of the different opinions on the significance of histological findings in relation to pulp tolerance is presented, and finally the significance of water uptake and radiological opacity is discussed.
(20) Concomitantly there were opacities seen on chest X-rays.