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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 like looking through a frosty or fogged-up window
  • Cataracts - Causes, Symptoms, Risk Factors, Diagnosis . . . - WebMD
    Cataracts form when protein builds up in the lens of your eye and makes it cloudy This keeps light from passing through clearly It can cause you to lose some of your eyesight There are many
  • Cataracts: Signs, Symptoms Treatment Options
    Cataracts are cloudy areas that form on your eye’s lens Age-related cataracts are the most common type Symptoms include blurry vision and glare around lights Cataract surgery removes your clouded lens and replaces it with a clear artificial lens called an IOL Providers recommend surgery when cataract symptoms interfere with your daily life
  • What Are Cataracts? - American Academy of Ophthalmology
    A cataract is when your eye's natural lens becomes cloudy Proteins in your lens break down and cause things to look blurry, hazy or less colorful
  • Signs and Symptoms of Cataracts: Early Warning Signs for Vision Changes
    Learn the early signs and symptoms of cataracts, from blurry vision to light sensitivity Know when to see an eye doctor
  • Cataracts - National Eye Institute
    A cataract is a cloudy area in the lens of your eye More than half of all Americans age 80 and older either have had cataracts or have had surgery to get rid of cataracts Learn about the types, symptoms, and causes of cataracts and how your doctor will diagnose and treat them
  • Cataract: Symptoms, diagnosis, and treatment - Harvard Health
    A cataract is a clouding of the lens This distorts or blocks the passage of light through the lens, causing cloudy or blurred vision, other visual problems, and even blindness
  • Cataract - StatPearls - NCBI Bookshelf
    A cataract is a disease of the eye in which the normally clear lens has pacified, which obscures the passage of light It is a gradually progressive disease and a significant cause of blindness around the world
  • 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
  • Everything to Know About Cataracts - College of Medicine
    College of Medicine Faculty News Medical UCF Health By Wendy Sarubbi | June 10, 2025 12:18 pm Cataracts unfortunately come as you age, and with June being National Cataract Awareness Month, it’s a great time to learn more about this eye condition and its treatment Cataracts can impact your lifestyle Cataract surgery is a low-risk procedure that offers a permanent solution Cataracts occur





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