cataract 音标拼音: [k'ætɚækts]
n . 大瀑布,奔流,洪水,白内障
大瀑布,奔流,洪水,白内障
cataract n 1 :
an eye disease that involves the clouding or opacification of the natural lens of the eye 2 :
a large waterfall ;
violent rush of water over a precipice Cataract \
Cat "
a *
ract \,
n . [
L .
cataracta ,
catarracles ,
a waterfall ,
Gr . ?, ?,
fr . ?
to break down ;
in the passive ,
to fall or rush down (
of tumors )
to burst ;
kata `
down ?
to break .]
1 .
A great fall of water over a precipice ;
a large waterfall .
[
1913 Webster ]
2 . (
Surg .)
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 .
[
1913 Webster ]
3 . (
Mach .)
A kind of hydraulic brake for regulating the action of pumping engines and other machines ; --
sometimes called {
dashpot }.
[
1913 Webster ]
146 Moby Thesaurus words for "
cataract ":
Niagara ,
ablepsia ,
amaurosis ,
benightedness ,
blepharitis ,
blind side ,
blind spot ,
blindfolding ,
blinding ,
blindness ,
blurring the eyes ,
cascade ,
cataclysm ,
cecity ,
choroiditis ,
chute ,
collapse ,
come down ,
comedown ,
conjunctivitis ,
crash ,
cross -
eye ,
darkness ,
debacle ,
declension ,
declination ,
defective vision ,
defluxion ,
deluge ,
depriving of sight ,
descend ,
descending ,
descension ,
descent ,
detached retina ,
dim -
sightedness ,
dip down ,
down ,
downbend ,
downcome ,
downcurve ,
downfall ,
downflow ,
downgrade ,
downpour ,
downrush ,
downtrend ,
downturn ,
downward trend ,
drop ,
drop down ,
drop off ,
drop serene ,
dropping ,
economic blindness ,
engulf ,
esotropia ,
ever -
during dark ,
excecation ,
eye defect ,
eyelessness ,
fall ,
fall down ,
fall off ,
falling ,
falls ,
flood ,
flooding ,
force ,
fresh ,
freshet ,
glaucoma ,
go down ,
go downhill ,
gravitate ,
gravitation ,
gutta serena ,
hoodwinking ,
inclination ,
inundate ,
inundation ,
iritis ,
keratitis ,
lack of vision ,
linn ,
lose altitude ,
making blind ,
nappe ,
niphablepsia ,
optic neuritis ,
overbrim ,
overflow ,
overrun ,
overwhelm ,
parachute ,
partial blindness ,
pink eye ,
pitch ,
plummet ,
plummeting ,
plunge ,
pounce ,
pour ,
pour down ,
pour out ,
pour over ,
precipitate ,
psychic blindness ,
rain ,
rapids ,
reduced sight ,
retinoblastoma ,
river ,
run over ,
sault ,
sightless eyes ,
sightlessness ,
slop ,
slosh ,
snow blindness ,
soul -
blindness ,
spate ,
spill ,
spill out ,
spill over ,
spiritual blindness ,
spout ,
stone -
blindness ,
stoop ,
sty ,
submerge ,
swamp ,
sweep ,
swoop ,
torrent ,
total blindness ,
trachoma ,
trend downward ,
unenlightenment ,
unseeingness ,
uveitis ,
walleye ,
waterfall ,
waterflood ,
watershoot ,
whelm
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Cataracts - Symptoms and causes - Mayo Clinic A cataract is a clouding of the lens of the eye, which is typically clear For people who have cataracts, seeing through cloudy lenses is often like looking through a frosty or fogged-up window Clouded vision caused by cataracts can make it hard to read, drive a car at night or see the expression on a friend's face
Cataracts: What They Are, Symptoms, Types Treatment Cataracts happen when the lens in your eye becomes cloudy Surgery is the only treatment Learn about types, causes and risk factors
Cataract - Wikipedia Cataract formation is primarily driven by oxidative stress and aging Over time, the systems within the eye that keep the lens clear don't work as well, leading to the lens clouding Diagnosis is typically made through an eye examination, including testing vision at various distances, slitlamp microscopy, and retinal examination
What Are Cataracts? - American Academy of Ophthalmology Are cataracts clouding your vision? Discover the causes, symptoms, and modern treatments that can restore your sight—and when it’s time to see an eye doctor
Types of Cataracts: Causes, Symptoms and Treatment Learn about different types of cataracts, their symptoms, causes and stages, including nuclear, cortical and posterior subcapsular cataracts
Cataracts Explained: Symptoms, Causes and Treatment Options Discover what cataracts are, why they develop, symptoms to watch for, and how modern cataract surgery can help you regain clearer vision
11 Signs and Symptoms of Cataracts - All About Vision Cataract symptoms can develop slowly and vary from person to person Find out which common signs could point to cataracts
Cataracts - Diagnosis and treatment - Mayo Clinic Learn more about the diagnosis and treatment of Cataracts Find tips to get ready for any appointments you need
Cataracts | Cataract Surgery | MedlinePlus A cataract is a clouding of the lens in your eye It affects your vision Cataracts are very common in older people Learn about symptoms and surgery
What Are Cataracts? Symptoms, Causes, and Treatments - WebMD Learn more from WebMD about your eyes and cataracts, including the causes, symptoms, diagnosis, and treatment