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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
    Symptoms of cataracts include: Clouded, blurred or dim vision Trouble seeing at night Sensitivity to light and glare Need for brighter light for reading and other activities Seeing "halos" around lights Frequent changes in eyeglass or contact lens prescription Fading or yellowing of colors Double vision in one eye
  • 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 - Cleveland Clinic
    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
  • Cataract - Wikipedia
    A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision of the eye [1] [7] Cataracts often develop slowly and can affect one or both eyes [1] Symptoms may include faded colours, blurry or double vision, halos around light, trouble with bright lights, and difficulty seeing at night [1]
  • What Are Cataracts? - American Academy of Ophthalmology
    Cataracts are a very common reason people lose vision, but they can be treated You and your ophthalmologist should discuss your cataract symptoms Together you can decide whether you are ready for cataract surgery
  • 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
  • Signs and Symptoms of Cataracts: Early Warning Signs for Vision Changes
    Cataract surgery remains the only definitive treatment for advanced cataracts, involving removal of the clouded natural lens and replacement with an artificial intraocular lens (IOL) This procedure boasts over 95% success rates and typically results in significant vision improvement Modern cataract surgery utilizes advanced techniques including:
  • Cataract Symptoms and How to See Better - Verywell Health
    A cataract is a clouding of the normally clear lens of the eye caused by proteins in the lens breaking down and clustering Eventually, this results in blurry vision and other symptoms, but surgery can restore good vision Cataracts are not contagious and do not spread from one eye to the other But
  • Cataracts Symptoms Explained | Eduardo Besser, MD
    Cataract surgery is typically recommended for patients with severe cataracts that disrupt day-to-day activities Surgery is the most effective way to treat cataracts when vision loss becomes significant Eye doctors may also suggest surgery if a cataract gets in the way of other eye treatments and diagnoses, particularly ones where the doctor
  • Cataract
    A cataract is a clouding of the eye’s lens, which blocks or changes the passage of light into the eye The lens of the eye is located behind the pupil and the colored iris, and is normally transparent The lens helps to focus images onto the retina – which transmits the images to the brain





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