cataract

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cat·a·ract

 (kăt′ə-răkt′)
n.
1. A large or high waterfall.
2. A great downpour; a deluge.
3. Medicine Opacity of the lens or capsule of the eye, causing impairment of vision or blindness.

[Middle English cataracte, from Old French, from Latin cataracta, from Greek katarraktēs, kataraktēs, downrush, waterfall, portcullis, probably from katarassein, to dash down (kat-, kata-, cata- + arassein, to strike). Sense 3, from a comparison to a portcullis or other falling impediment or covering.]

cat′a·rac′tous (-răk′təs) adj.

cataract

(ˈkætəˌrækt)
n
1. (Physical Geography) a large waterfall or rapids
2. a deluge; downpour
3. (Pathology) pathol
a. partial or total opacity of the crystalline lens of the eye
b. the opaque area
[C15: from Latin catarracta, from Greek katarrhaktēs, from katarassein to dash down, from arassein to strike]

cat•a•ract

(ˈkæt əˌrækt)

n.
1. a descent of water over a steep surface; a waterfall, esp. one of considerable size.
2. any furious rush or downpour of water; deluge.
3.
a. an abnormality of the eye characterized by opacity of the lens.
b. the opaque area.
[1350–1400; Middle English < Latin catar(r)acta waterfall, portcullis < Greek katarráktēs, akin to katarássein to dash down]
cat`a•rac′tal, cat`a•rac′tous, adj.

cat·a·ract

(kăt′ə-răkt′)
1. A cloudiness in the lens of an eye or the membrane that covers it, causing partial or total blindness.
2. A large, steep waterfall.

Cataract

 a violent downpour or rush; anything likened to a waterfall. See also cascade.
Examples: cataract of nastiness; of evil news, 1864; of panegyrics; of water.

cataract

An opaque area that forms within the lens of the eye.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cataract - an eye disease that involves the clouding or opacification of the natural lens of the eye
eye disease - any disease of the eye
cortical cataract - a cataract that affects the lens cortex
nuclear cataract - a cataract that affects the nucleus of the lens
posterior subcapsular cataract - a cataract in the rear of the lens capsule
2.cataract - a large waterfall; violent rush of water over a precipice
waterfall, falls - a steep descent of the water of a river

cataract

noun
1. (Medical) opacity (of the eye) a battle with blindness caused by cataracts
2. waterfall, falls, rapids, cascade, torrent, deluge, downpour, Niagara There was an impressive cataract at the end of the glen.

cataract

noun
An abundant, usually overwhelming flow or fall, as of a river or rain:
Chiefly British: spate.
Translations
šedý zákalvodopád
grå stærkataraktstær
vesiputousharmaakaihikaihi
mrenaslap
hályog
vagl
大きな滝白内障
백내장큰 폭포
katarakta
katarakta
šedý zákal
forsgråstarr
ต้อน้ำตกที่สูงชัน
màng thủy tinh thểthác nước lớn

cataract

[ˈkætərækt] N
1. (= waterfall) → catarata f
2. (Med) → catarata f

cataract

[ˈkætərækt] n
(MEDICINE)cataracte f
(= waterfall) → cataracte f

cataract

n
(= rapids)Katarakt m
(Med) → grauer Star

cataract

[ˈkætəˌrækt] n (Geog, Med) → cateratta

cataract

(ˈkӕtərӕkt) noun
a clouding of the lens of the eye causing difficulty in seeing.

cataract

إِعْتَامُ عَدَسَةِ العَيْـن, شَلّاَل šedý zákal, vodopád grå stær, katarakt grauer Star, Wasserfall καταρράκτης catarata harmaakaihi, vesiputous cataracte mrena, slap cataratta, cateratta 大きな滝, 白内障 백내장, 큰 폭포 cataract, waterval foss, grå stær wodospad, zaćma catarata большой водопад, катаракта fors, gråstarr ต้อ, น้ำตกที่สูงชัน çağlayan, katarakt màng thủy tinh thể, thác nước lớn 大瀑布, 白内障

cat·a·ract

n. catarata, opacidad del cristalino;
anular ______ anular;
black ______ negra;
blue ______ cerúlea;
complete ______ completa;
congenital ______ congénita;
green ______ verde;
mature ______ madura;
senile ______ senil;
soft ______ blanda.

cataract

n catarata
References in periodicals archive ?
Patients unsuitable for this type of IOL include eyes requiring complicated cataract surgery, excessive zonular weakness, chronic uveitis, active rubeosis iridis, and central corneal opacities.
Patients with known history of ME, high myopia, ocular surgery, retinal laser photocoagulation, intravitreal injections, uveitis, glaucoma, prostaglandins use, complicated cataract surgery due to posterior capsular rupture or vitreous loss were excluded.
Methods: A total of 54 patients who received complicated cataract surgery in post-penetrating keratoplasty (PKP) eyes at the Shandong Eye Institute between February 2001 and June 2014 were included, and clinical records were reviewed.
12) Moreover, such complicated cataract surgery patients are prone to develop some retinal or posterior segment pathology in future and then it becomes easier to examine the posterior segment in scleral fixated IOL where pupil can be medically dilated while this is not possible with AC-IOL or iris claw lens.
Comparison of outcomes of primary scleral-fixated versus primary anterior chamber intraocular lens implantation in complicated cataract surgeries.
Exclusion criteria included: complicated cataract extraction, history of trauma to eye resulting in traumatic cataract, history of, or ongoing uveitis and glaucoma, pseudoexfoliation and pigment dispersion syndrome, retinal detachment and history of, or current prolonged topical or systemic corticosteroid use.
The new service enables patients with reduced sight caused by conditions affecting the cornea of the eye, such as complicated cataract surgery and scarring from trauma and contact lens related infections, to have a transplant to replace part of the cornea as a day case procedure.
Jacobi PC, Dietlein TS, Jacobi FK 2000 A comparative study of topical vs retrobulbar anaesthesia in complicated cataract surgery Archives of Ophthalmology 118 (8) 1037-43