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Topic: Cataract

	Cataract - Wikipedia, the free encyclopedia
		Cataracts form for a variety of reasons, including long-term ultraviolet exposure, secondary effects of diseases such as diabetes, or simply due to advanced age; they are usually a result of denaturation of lens proteins.
		Genetic factors are often a cause of congenital cataracts and positive family history may also play a role in predisposing someone to cataracts at an earlier age, a phenomenon of "anticipation" in pre-senile cataracts.
		In either extra-capsular surgery or intra-capsular surgery, the cataractous lens is removed and replaced with a plastic lens (an intraocular lens implant) which remains permanently in the eye.
	en.wikipedia.org /wiki/Cataract (1249 words)

	Cataract
		A cataract is a cloudy or opaque area in the lens of the eye.
		Cataracts are accelerated by environmental factors, such as smoking or exposure to other toxic substances, or they may develop at any time after an eye injury.
		Congenital cataracts can also be caused by infections of the mother during pregnancy such as rubella, or associated with metabolic disorders such as galactosemia.
	www.umm.edu /ency/article/001001.htm (526 words)

	THE MERCK MANUAL, Sec. 8, Ch. 97, Cataract
		Cataract: Developmental or degenerative opacity of the lens.
		Opacity beneath the posterior lens capsule (posterior subcapsular cataract) disproportionately affects vision because the opacity is located at the crossing point of the light rays from the viewed object.
		Complications of cataract surgery include retinal detachment, cystoid macular degeneration, bullous keratopathy, choroidal hemorrhage (intraoperative bleeding beneath the retina causing the intraocular contents to be expulsed through the incision), endophthalmitis (infection within the eye), posterior capsular opacification (treatable with laser), and glaucoma.
	www.merck.com /pubs/mmanual/section8/chapter97/97a.htm (630 words)

	Eye Conditions > Cataract -- EyeMDLink.com
		A cataract is an opacity or cloudiness in the natural lens of the eye.
		Cataract surgery is usually recommended very early in life, but many factors are important in this decision, including the infant or child's health and whether the cataract is unilateral or bilateral.
		The cataract is removed and the posterior aspect of the capsule (which contained the opacified lens) is usually removed to prevent opacification.
	www.eyemdlink.com /Condition.asp?ConditionID=4 (878 words)

	Cataract Surgery \| Cataract Eye Surgery \| After Cataract Surgery \| Cataract Symptoms \| Cataract Treatment Union City \| ...
		A cataract is a clouding of the normally clear lens of the eye.
		A cataract decreases the amount of light that is focused on the retina, resulting in an overall blurriness of images.
		Cataracts cannot be prevented because lens changes occur as the eye ages, however precautions may slow their development.
	www.neovisioneyecenter.com /cataract.html (2036 words)

	cataract
		In the picture to the left the cataract is seen as the gray-green reflex in the pupil, that normally is fl.
		Cataract can be seen in newborn babies, it can develope as a complication to general diseases as diabetes, as complication to other eye diseases as iritis, as side effect to medical treatment with fx steroids, or it can develope after trauma to the eye.
		The symptoms of cataract are painless blurred vision, and glare, fx.
	www.eggert.suite.dk /cat-eng.htm (617 words)

	Veterinary Vision: Cataract
		A cataract is a clouding of the lens inside the eye and is the most common cause of blindness in dogs.
		A cataract is not a growth; treatment requires surgical removal of the lens and, once removed, a cataract cannot recur.
		Cataracts are not treated with lasers; the surgery to remove the lens uses phacoemulsification, the same procedure used in people.
	www.veterinaryvision.com /public_forum/Cataract.htm (716 words)

	Cataract - Animal Eye Care
		Cataract surgery is expensive because it requires specialized equipment and training.
		The instruments used for cataract surgery in dogs are the same instruments used for cataract surgery in people.
		Cataract surgery is a highly successful procedure, but there are risks.
	www.animaleyecare.net /diseases/cataract.htm (1192 words)

	Cataracts [NEI Health Information]
		A cataract is a clouding of the lens in the eye that affects vision.
		The symptoms of early cataract may be improved with new eyeglasses, brighter lighting, anti-glare sunglasses, or magnifying lenses.
		Cataract removal is one of the most common operations performed in the United States.
	www.nei.nih.gov /health/cataract/cataract_facts.asp (2667 words)

	Guide to Eye Cataracts and Cataract Surgery
		A cataract is a clouding of the eye's natural lens, which lies behind the iris and the pupil.
		This cataract forms in the nucleus, the center of the lens, and is due to natural aging changes.
		When a nuclear cataract first develops it can bring about a temporary improvement in your near vision, called "second sight." Unfortunately, the improved vision is short-lived and will disappear as the cataract worsens.
	www.allaboutvision.com /conditions/cataracts.htm (1123 words)

	MedlinePlus Medical Encyclopedia: Cataract
		Cataract surgery consists of removing the lens of the eye and replacing it with an artificial lens.
		A cataract surgeon will discuss the options with the patient, and together they will decide which type of removal and lens replacement is best.
		Vision may not improve to 20/20 after cataract surgery if other eye diseases such as macular degeneration are present.
	www.nlm.nih.gov /medlineplus/ency/article/001001.htm (1051 words)

	Cataract
		Cataract is the disease of the lens in the eyes, where the clear lens loses its transparency and focusing quality due to ageing or disease or trauma.
		Cataract is a cloudy opaque area forming in the lens, involving the centre or periphery in one eye or both eyes.
		Cataract in aged persons is due to the ageing process and usually occurs in both eyes.
	www.chennaionline.com /health/Homoeopathy/2004/11homoeopathy15.asp (1555 words)

	Cataract Information and Risk factors in Aging Eye
		A cataract is not a 'new' growth in the eye or lens.
		The cause of the gender differences in cataract occurrence is not clear but could be related to the hormonal differences between women and men.
		It is difficult to determine a safe steroid dose even by pooling all published data because of the differing cataract diagnosis criteria of the studies as well as the differing potency of steroids used.
	www.agingeye.net /cataract/cataractinformation.php (1126 words)

	Cataract
		A cataract is a lens inside of the eye that we are born with.
		Otherwise, the time to have cataract surgery is the time when the cataract blurs vision enough to interfere with a patient's ability to perform daily functions (e.g.
		The traditional anesthetic used for cataract surgery is a retrobulbar or peribulbar block, where local anesthetic is injected behind and around the eye.
	www.regionaleyecenter.com /diseases/cataract.html (995 words)

	Cataract
		Some people with a cataract find that their close-up vision suddenly improves, but this is temporary.
		Cataract removal is one of the most common operations performed in the U.S. today.
		Sometimes a part of the natural lens that is not removed during cataract surgery becomes cloudy and may blur your vision.
	www.fbhc.org /Patients/Modules/cataract.cfm (1848 words)

	Cataract: Definition, Symptoms, and Treatment - Kellogg Eye Center
		Cataract is the most common cause of blindness in the world, although it is treatable.
		Surgical removal of cataracts and replacement with an artificial lens (called an intraocular lens) is the most successful surgical procedure in the country.
		Although there is no surefire way to prevent cataracts from forming, there is evidence to show that protecting your eyes from ultraviolet light may prevent or slow the progression of cataracts.
	www.kellogg.umich.edu /patientcare/conditions/cataract.html (543 words)

	cataract
		Cataract is clouding of natural lens in the eye which is responsible for focussing light and producing clear sharp images.
		In the modern cataract surgery, the clouded lens (cataract) is removed leaving a very thin shell or the "bag" which held the cataract.
		Cataract surgery with intra ocular lens implantation has become a routine and safe operation, performed on hundreds of thousands of people each year.
	www.precisioneyecare.com /cataract.htm (1836 words)

	Cataract
		Cataracts in children are so rare that although they may result in many years of vision loss, they do not have the same public health importance as age-related cataracts.
		In Southall, the corresponding prevalence of cataract in Asians was 86%.
		Cataract evaluation was added to an existing randomised, double-blind trial of vitamin supplementation and cancer being conducted in Linxian, China, and there was found to be a 43% reduction in the prevalence of nuclear cataract in people aged 65-74 years.
	hcna.radcliffe-oxford.com /cataract.htm (16372 words)

	Cataract
		The congenital type may also include nystagmus, squint, photophobia; traumatic cataract symptoms include general redness and irritation of the eye, and may be complicated by infection, uveitis, retinal detachment, and glaucoma.
		Congenital cataracts (not caused by rubella) should be removed within the first few months of life if acuity is to develop normally; contact lenses or glasses provide the accommodative power of the missing lens.
		NOTE: Children with cataracts caused by maternal rubella usually do not have surgery until at least age 2, since the live virus is present in ocular tissues many months after birth.
	www.tsbvi.edu /Education/anomalies/cataract.htm (298 words)

	Cataracts - MayoClinic.com
		A cataract is a clouding of the normally clear lens of your eye.
		After age 75, as many as 70 percent of Americans have cataracts that are significant enough to impair their vision.
		Fortunately, cataract removal is one of the safest, most effective and most common surgical procedures.
	www.mayoclinic.com /health/cataracts/DS00050 (289 words)

	CATARACT
		In earlier days, because of higher complications associated with cataract surgery and poor quality of vision by thick glasses required after surgery, the surgery was delayed till patient had very poor vision (Less than 20/200) by almost mature cataract.
		When Cataract matures there may be swelling of lens tissue blocking the drainage angles leading to sudden rise of the pressure in the eye (Lens induced glaucoma).
		Extracapsular cataract surgery : In this we break the cataract and remove anterior layer and inside of cataract leaving behind a thin layer of lens, posterior capsule.This layer is supposed to protect the retinal complications and gives support for Intraocular implantation.
	www.myeyeworld.com /files/cataract.htm (722 words)

	Dictionary.com/Word of the Day Archive/cataract
		Today, its cataract can be stopped with the pull of a lever, and less than half its natural flow pours over the precipice.
		Bartram was an ace self-dramatizer and avid explorer of nature, whose journals are full of blood and thunder and such dramatic observations of animals as this one of the American crocodile: "His enormous body swells.
		Cataract is from Latin cataracta, "a waterfall, a portcullis," from Greek kataraktes, katarrhaktes, from katarassein, "to dash down," from kata-, "down" + arassein, "to strike, dash."
	dictionary.reference.com /wordoftheday/archive/2003/10/29.html (230 words)

	Cataract:AOA (Site not responding. Last check: 2007-10-22)
		A cataract is a clouding of all or part of the normally clear lens within your eye, which results in blurred or distorted vision.
		Cataracts are most often found in persons over age 55, but they are also occasionally found in younger people.
		Although cataracts develop without pain or discomfort, there are some indications that a cataract may be forming.
	www.aoa.org /x1795.xml (266 words)

	Welcome to Advanced Composites, Inc.
		From the tip of the handle to the end of the blade, CATARACT® OARS have been specifically designed to be an invaluable component of your boating equipment.
		The Cataract Blade is an excellent choice for the oarsman who desires maximum flotation in a blade.
		Made from the same manufacturing process as the well known and proven Cataract® Oars from Advanced Composites, Inc., the new Mini-Magnum Oars are extremely lightweight, strong, and durable, and require virtually no maintenance or up-keep.
	www.advancedcomposites.com /cataract.htm (898 words)

	MedlinePlus: Cataract
		Cataracts (Mayo Foundation for Medical Education and Research)
		Cataract Surgery (Mayo Foundation for Medical Education and Research)
		Cataract Surgery in Adults (American College of Surgeons)
	www.nlm.nih.gov /medlineplus/cataract.html (240 words)

	CATARACT.com.ph \| Cataract surgery resource
		Cataract removal is one of the most common operations performed in the world today.
		If you are interested in having cataract surgery, the surgical packages listed here may assist you in understanding the possible range of costs.
		EYE REPUBLIC ophthalmologists are all trained in phacoemulsification cataract surgery, and are active members of the American Society of Cataract and Refractive Surgery and Philippine Society of Cataract and Refractive Surgery.
	www.cataract.com.ph (394 words)

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