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cataract    音標拼音: [k'ætɚækts]
n. 大瀑布,奔流,洪水,白內障

大瀑布,奔流,洪水,白內障

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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英文字典中文字典相關資料:
  • Cataracts - Symptoms and causes - Mayo Clinic
    Most cataracts develop when aging or injury changes the tissue that makes up the lens of the eye Proteins and fibers in the lens begin to break down This causes vision to become hazy or cloudy Some conditions passed down from parents or caused by gene variants can increase the risk of cataracts
  • Cataracts: Signs, Symptoms Treatment Options
    Cataract surgery is the only way to remove cataracts and restore your clear vision During cataract surgery, an ophthalmologist removes your clouded natural lens and replaces it with an intraocular lens (IOL)
  • Cataract - Wikipedia
    Cataract A cataract is a cloudy area in the lens of the eye that impairs vision [1][7] Cataracts often develop slowly and can affect one or both eyes [1] Symptoms may include faded colors, blurry or double vision, halos around light, trouble with bright lights, and difficulty seeing at night [1]
  • What Are Cataracts? - American Academy of Ophthalmology
    Using the slit lamp, an ophthalmoscope or both, the doctor looks for signs of cataract Your ophthalmologist will also look for glaucoma, and examine the retina and optic nerve
  • What Are Cataracts? Symptoms, Causes, and Treatments - WebMD
    If your child’s cataract is small and doesn’t affect their vision, it may not need to be removed But if it does affect their eyesight, it should be treated as soon as possible
  • Types of Cataracts: Symptoms, Causes, Stages and Treatment
    In this guide, we explain the main types of cataracts, including the three types most commonly asked about, their meanings, and how they affect daily life You’ll learn the signs to watch for, how doctors distinguish between different types of cataracts, and when treatment is typically recommended
  • What Are Cataracts and How Can They Be Treated? - Vision Center
    Common cataract symptoms include gradual blurry vision, glare from lights, trouble seeing at night, and reduced color clarity Recognizing these symptoms early can help you manage your vision proactively That’s why regular comprehensive eye exams are essential
  • 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
  • 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 in adults - NHS
    Find out about cataracts in adults including what the symptoms are and how treatment with surgery can help





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