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	Keratoconus - Wikipedia, the free encyclopedia
		Keratoconus (from Greek: kerato- horn, cornea; and Latin: conus cone), is a degenerative non-inflammatory disorder of the eye in which structural changes within the cornea cause it to thin and change to a more conical shape than its normal even curve.
		Patients with keratoconus typically present initially with mild astigmatism, commonly at the onset of puberty, and are diagnosed as having the disease by the late teenage years or early 20s.
		Keratoconus has been associated with atopic diseases, which include asthma, allergies, and eczema, and it is not uncommon for several or all of these diseases to affect one person.
	en.wikipedia.org /wiki/Keratoconus (4698 words)

	Keratoconus: Diagnosis and Management
		Keratoconus is characterized by progressive thinning and steepening of the central cornea.
		Keratoconus is a non-inflammatory, self-limiting ectasia of the axial portion of the cornea (1).
		Keratoconus patients who are having an acute episode of corneal hydrops report a sudden loss of vision and a visible white spot on the cornea.
	www.opt.pacificu.edu /ce/catalog/web013/course.htm (7075 words)

	Keratoconus Australia
		Keratoconus is a thinning of the central zone of the cornea, the front surface of the eye.
		The initial symptoms of keratoconus are usually a blurring and distortion of vision that may be corrected with spectacles in the early stages of the condition.
		Even though keratoconus is basically a bilateral condition, the degree of progression for the two eyes is often unequal; indeed, it is not unusual for the keratoconus to be significantly more advanced in one eye.
	www.keratoconus.asn.au /questions.html (497 words)

	Keratoconus: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-06)
		Keratoconus and the associated vision loss often affect the person's ability to function normally.
		Keratoconus is a rare disease - it is estimated that 1 person out of 1,500 is affected - and seems to have genetic components.
		Keratoconus is a member of the family of atopic diseases, EHandler: no quick summary.
	www.absoluteastronomy.com /encyclopedia/k/ke/keratoconus.htm (1077 words)

	Keratoconus
		Keratoconus is a condition in which the cornea weakens and becomes cone-shaped, like a weak spot in a tire.
		Keratoconus usually affects both eyes, though its severity may be different in each eye.
		The first symptom of keratoconus may be sudden large increase in nearsightedness that is not very much different from typical progression of nearsightedness.
	www.lubbockeyeclinic.com /commondiseases/Keratoconus.htm (425 words)

	Cornea Associates of Texas - Eye Information - Keratoconus
		Keratoconus, therefore, is a condition in which the normally round shape of the cornea is distorted and a cone-like bulge develops, resulting in significant visual impairment.
		The first indication of keratoconus to the patient is a blurring and distortion of vision that, in the early stages, can be corrected with glasses.
		The goal of contact lens wear in keratoconus patients is to maintain wear as long as the patients' visual acuity remains at an acceptable level, good ocular comfort is maintained and wearing time adequate for the individual is being realized.
	www.corneatexas.com /html/eye_info_keratoconus.html (1061 words)

	Dr. Koop - Keratoconus- Health Encyclopedia and Reference
		Keratoconus is a progressive ectasia (expansion or dilatation) of the cornea, usually bilateral, beginning between ages 10 and 20.
		Keratoconus results from an inherited corneal abnormality, an injury of the eye (e.g., hard contact lens use for many years), diseases of the eye such as retinitis pigmentosa, or retinopathy of prematurity, or other disorders such as Noonan syndrome, Down's syndrome, Ehlers-Danlos syndrome, and Leber's congenital amaurosis.
		Genetic counseling may be of benefit for patients with an inherited form of keratoconus.
	www.drkoop.com /encyclopedia/43/580.html (388 words)

	Keratoconus
		Keratoconus causes the cornea to become cone shaped and thinner, disrupting the visual function.
		Keratoconus, a condition characterized by abnormal corneal change in which the cornea gradually becomes thinned and conical, affects approximately one in 2000 people in the United States.
		Keratoconus is the thinning and bulging of the cornea.
	www.keratoconusinserts.com (308 words)

	Keratoconus
		Keratoconus is an eye condition in which the shape of the cornea becomes distorted.
		Keratoconus may also develop in persons who have worn contact lenses for a long time and who often rub their eyes with too much force.
		While most patients with keratoconus have no relatives suffering from the disorder, many have relatives with high astigmatism and this may be a very mild form of keratoconus.
	www.uic.edu /com/eye/LearningAboutVision/EyeFacts/Keratoconus.shtml (658 words)

	Keratoconus
		Keratoconus is a degenerative disease of the cornea that
		Because of the cornea's irregular shape, patients with keratoconus are usually very nearsighted and have a high degree of astigmatism that is not correctable with glasses.
		Keratoconus is not usually visible to the naked eye until the later stages of the disease.
	www.stlukeseye.com /Conditions/Keratoconus.asp (406 words)

	Cole Eye Institute - Patient Information
		Keratoconus usually begins in the teen-age years, but it can also start in childhood or up to about age 30.
		These things might be related to keratoconus, but your doctor must measure the curvature of the cornea to make sure.
		For most people with keratoconus, the only treatment needed is the correct prescription for eyeglasses or contact lenses.
	www.clevelandclinic.org /eye/patient_info/keratoconus.asp (669 words)

	Keratoconus and Intacs, Lasik, IntraLasik, PRK, LASEK, Epi-Lasik, CK, P-IOL, RLE, Intacs, C3-R, etc.
		Keratoconus creates an irregular cornea that is a contraindication for most refractive surgery, but can be treated with Intacs inserts and/or C3-R. Keratoconus is a disease of the cornea that makes the cornea become weak and gradually bulge outward.
		Keratoconus is a contraindication for conventional or custom wavefront Lasik, IntraLasik, PRK, LASEK, Epi-Lasik, or any refractive surgery technique that removes tissue, due to the high probability that these procedures may further weaken a cornea affected by keratoconus.
		Used as a therapeutic treatment for keratoconus and corneas that have become unstable or weak due to ectasia, C3-R is a technique where the eye is flooded with a riboflavin solution and exposed to ultra high frequency light.
	www.usaeyes.org /faq/subjects/keratoconus.htm (636 words)

	Keratoconus
		Keratoconus is an uncommon condition in which the cornea (the clear front window of the eye) becomes thin and protrudes.
		Although keratoconus is not generally considered an inherited disorder, the chance of a blood relative having keratoconus is thought to be as high as one in 10.
		Blurring and distortion of vision are the earliest symptoms of keratoconus.
	drshimmyo.com /eye_conditions/keratoconus.html (362 words)

	MedlinePlus Medical Encyclopedia: Keratoconus
		Keratoconus is a deterioration of the structure of the cornea with gradual bulging from the normal round shape to a cone shape.
		Keratoconus is more common in contact lens wearers and people with nearsighted eyes.
		Some specialists believe that patients with keratoconus should have aggressive treatment of ocular allergy and should be instructed not to rub their eyes.
	www.nlm.nih.gov /medlineplus/ency/article/001013.htm (454 words)

	Keratoconus for medical students & primary care physicians
		By Dany Najjar M.D. Keratoconus is a condition in which the cornea assumes a conical shape as a result of non-inflammatory thinning of the corneal stroma.
		Keratoconus has its onset at puberty and is progressive until the third to fourth decade of life when it usually arrests.
		Keratoconus (either frank or latent) is an absolute contraindication for keratorefractive surgery.
	www.eyeweb.org /keratoconus.htm (523 words)

	Keratoconus
		Keratoconus is a progressive disorder that is characterized by thinning and cone-like bulging (steepening) of the cornea.
		In its earliest stages, keratoconus causes slight blurring and distortion of vision and increased sensitivity to glare and light.
		Keratoconus may progress for 10-20 years and then slow in its progression.
	www.uclaser.com /keratoconus.htm (124 words)

	keratoconus research (Site not responding. Last check: 2007-10-06)
		Keratoconus, or "conical cornea" means that the natural curvature of the normal cornea has changed to a cone-like bulge due to a thinning of the cornea.
		Keratoconus is an eye condition in which the normally round dome-shaped cornea progressively thins causing a cone-like bulge to develop.
		As one aspect of behavior, we ask whether a gene's activity is increased or lowered in the keratoconus cornea as compared to a normal cornea.
	www.discoveryfund.org /keratoconus.html (682 words)

	Eye Conditions > Keratoconus -- EyeMDLink.com
		Keratoconus is a corneal degenerative disorder, in which the cornea becomes progressively thin and steep, resulting in irregular astigmatism.
		Keratoconus may be difficult to diagnose in the early stages.
		If the patient is found to have keratoconus, refractive surgery is generally contraindicated, as the outcome may be unpredictable.
	www.eyemdlink.com /Condition.asp?ConditionID=25 (292 words)

	Keratoconus
		Keratoconus is an irregular protrusion of the cornea, the clear surface over the colored part of the eye.
		Keratoconus is a slowly progressive condition often presenting in the teen or early twenties with decreased vision or visual distortion.
		Keratoconus patients often report multiple images, or ghosting of images and often relate a history of frequent refractive correction changes without much improvement in visual acuity.
	www.avclinic.com /keratoconus.htm (1932 words)

	Keratoconus
		Keratoconus usually begins in the teenage years, but it can also start in childhood or up to about age 30.
		In most people who have keratoconus, both eyes are eventually affected, although not always to the same extent.
		These things might be related to keratoconus, but your doctor must measure the curvature of the cornea to be certain.
	www.clevelandclinic.org /health/health-info/docs/3400/3434.asp?index=10713 (644 words)

	Eyecare and Eyewear Library: Mountain View Vision, Dr. Mitchell Peterson, Richfield, Utah
		Keratoconus is an eye disease that causes the cornea to become progressively thinner.
		To counteract the distortion of the cornea, most keratoconus patients require special GP lenses to provide a smooth surface that can focus light in place of their own cornea’s distorted surface.
		Patients with keratoconus must not have LASIK or PRK laser eye surgery due to an unacceptable risk of a poor outcome.
	mountainviewvision.com /keratoconus.html (663 words)

	Keratoconus Genetics Research Program
		Keratoconus literally means andldquo;a cone-shaped cornea.andrdquo; The cornea or andldquo;window of the eyeandrdquo; thins, resulting in progressive nearsightedness and astigmatism over time.
		As such, it is our goal to study patients with keratoconus and their family members in order to identify the gene(s) that cause the inherited form of the disease.
		We can arrange for your to meet other patients with keratoconus who have had many contact lens changes or corneal transplants, so that you can discuss problems of common interest, share information, and better understand the treatment options that are available.
	www.laser-prk.com /keratoco.htm (389 words)

	Keratoconus (progressive degeneration of the cornea)
		Keratoconus is a disease of the cornea in which the cornea looses its natural round shape and becomes distorted with cone-like bulging, progressive thinning, and associated reduction in vision quality.
		Keratoconus is one of a group of corneal degenerations that is characterized by corneal thinning.
		The incidence of keratoconus is not well known, but an approximation is that about 1 in 2,000 persons in the general population have keratoconus.
	www.nsvc.com /knowledgecenter/keratoconus.htm (1157 words)

	DJO \| Digital Journal of Ophthalmology
		Keratoconus (KC) is a non-inflammatory condition of the cornea in which there is progressive central thinning of the cornea changing it FROM dome-shaped to cone-shaped.
		Keratoconus is not a blinding disorder, but does result in increasing near-sightedness (things far away are out of focus) and irregular astigmatism (things look tilted) that can significantly distort your vision.
		Keratoconus usually has its onset in puberty with progression over a 10 to 20 year period.
	www.djo.harvard.edu /site.php?url=/patients/pi/425 (623 words)

	Keratoconus
		Keratoconus is the most frequently encountered deformation of the cornea.
		Occasionally keratoconus is associated with trisomy 21 syndrome (Down syndrome) as well as with atopic dermatitis and other connective-tissue disorders such as Marfan's syndrome.
		The prognosis for penetrating keratoplasty in treating keratoconus is good because the cornea is has no blood vessels in keratoconus.
	www.lasikinistanbul.com /eng/keratoconus.htm (303 words)

	Keratoconus - Causes, Symptoms & Treatments for Keratoconus - AllAboutVision.com
		Often appearing in the teens or early twenties, keratoconus is a progressive disease in which the normally round cornea thins and begins to bulge into a cone-like shape.
		Because keratoconus can be found in extended families, this improper functioning of beneficial enzymes appears to have genetic causes about 5% of the time.
		Eye damage from keratoconus also can be linked to factors such as overexposure to sunlight, improper fittings of contact lenses, excessive eye rubbing, and continual (chronic) eye irritation.
	www.allaboutvision.com /conditions/keratoconus.htm (869 words)

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