21. Ask The Eye Doc - Keratoconus - AllAboutVision.com Your Questions About keratoconus. This lens can work really well for keratoconus,and can be much more tolerable than a straight RGP fit. http://www.allaboutvision.com/askdoc/keratoconus.htm

Most-Asked Questions Astigmatism Bifocal Contacts Cataracts Children's Vision Problems Color Blindness Computer Vision Syndrome Contact Lenses Contacts for Astigmatism Convergence Insufficiency Diabetes and Eyes Dry Eyes Eye Exercises Eyeglasses Eyeglasses - Bifocals, Progressives Eyeglass Frames Eye Safety Floaters Glaucoma Keratoconus LASIK Macular Degeneration Nickel Allergy Prescriptions Explained Prism Reading Glasses Retina Problems Safety Glasses Silicone Sensitivity Sunglasses Twitching Yellow Spots Yellowish Whites Watery Eyes or Search by Topic Send Your Question Your Questions About Keratoconus Q: I have been diagnosed with the beginning stage of keratoconus and was prescribed rigid gas permeable lenses A: Keratoconus is an eye condition where the clear front of the eye, the cornea, gets thin and bulges outward into a cone shape. This usually begins in the teens or early twenties and affects mostly males. And one eye is usually worse than the other eye. It is also oftentimes familial, so alert other family members to get their eyes checked. As the cornea thins and bulges, it becomes distorted and even droopy, creating blurred vision that is not very correctable with glasses. Contact lenses can kind of give the eye a new, smoother front that focuses light properly. Rigid gas permeable lenses are my first choice, and they usually can be prescribed successfully.

22. Contact Lenses By Precision Vision, Ltd. Contact Lens Laboratory Manufacturer of Rigid Gas Permeable lenses for bifocal, astigmatism and keratoconus. http://www.precisionvision.com/

PV ONLINE Custom Contact Lenses Home Practitioner Page Consumer Page Mystery Page Contact Lens Links ... Books OnContact Lenses CONSUMERS !!! Compare Contact Lens Options Through March 2003 Buy 2Dozen Advance Comfort Formula or Simplicity Care Sytems and receive a certificate good for 1 FREE pair of BOSTON XO Contact Lenses. ORDER TODAY !!! 1.800.843.5367 SIGN OUR GUESTBOOK VIEW OUR GUESTBOOK The "RGP" Specialists Visitor: Enter a City or US Zip: Questions about this site: webmaster@precisionvision.com NearVue is a Trademark Of Precision Vision, Ltd.

23. Eye Research Clinical Trials Promotes eye research translating results into patient care. Research scientists specialize in areas of interest such as research for diabetic retinopathy, macular degeneration, ocular herpes and keratoconus. http://discoveryfund.org/clinicaltrials.html

Home Research Overview Macular Degeneration Diabetic Retinopathy Ocular Herpes Keratoconus Molecular Ophthalmology Refractive Laser Infants and Children Clinical Trials Our Scientists Clinical Trials Ophthalmic Clinical Trials Center Retina Clinical Trials Age-Related Macular Degeneration Laser Vision Correction ... Discovery Fund's Ophthalmic Clinical Trials Center Launched in early 2000, patients in Los Angeles now have an opportunity to be part of cutting-edge clinical research into new devices and drugs to treat eye problems. Helping patients with eye disorders through their participation in quality research studies is the mission of the Ophthalmic Clinical Trials Center. Since its opening, the Clinical Trials Center has contracted with a number of ophthalmic companies to undertake research projects of great importance to the general public. Along with the Ophthalmology Research Laboratories at Cedars-Sinai Medical Center, our team of researchers is paving the way for a unique relationship to unfold - the combination of basic science and clinical research to promote the understanding and management of eye disorders that currently lack effective treatment. Topics for future clinical trials include dry eyes, laser vision correction to prevent "lazy eye" in children, bifocal intraocular lenses, intraocular lenses to correct high myopia and hyperopia, and contact lenses and solutions. For more information, please go to the

24. Collaborative Longitudinal Evaluation Of Keratoconus (CLEK) Study http://www.optometry.ohio-state.edu/clek/

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25. Keratoconus And Cornea Transplants http//www.febo.com/eyes/ is all about an eye disease called keratoconus, and corneatransplant surgery. . keratoconus and Cornea Transplants. Introduction. http://www.febo.com/eyes/

@import url(/system/febo.css); www.febo.com Febo Home Ham Documents by N8UR Packet Radio Pages Linux AX.25 ... Send Email Keratoconus and Cornea Transplants Introduction I have an eye condition called keratoconus. It's a disease in which the cornea (the outer surface of the eye in front of the pupil) becomes cone-shaped rather than spherical, and this results in extreme astigmatism. Glasses can't correct this vision problem, but hard contact lenses often can. Unfortunately, the distortion of the cornea makes it very difficult to fit contacts comfortably for a keratoconic my eye doctor described it as "trying to balance a saucer on the end of a football." Ultimately, the cornea may suffer scarring which results in vision loss that can't be corrected by contacts. At that point, the next step is to replace the damaged cornea with a new one through cornea transplant surgery. This is only necessary for about 10 percent of keratoconics, but I'm one of them. There's much more about that a bit further down this page... The purpose of this web site is to provide information and resources to those who have keratoconus, and particularly those who have had, or are considering, a cornea transplant.

26. What Is Keratoconus? Your Webmaster Send Email . What is keratoconus? Copyright shaped.keratoconus comes from the Greek word meaning conical cornea. http://www.febo.com/eyes/medhelp.html

@import url(/system/febo.css); www.febo.com Febo Home Ham Documents by N8UR Packet Radio Pages Linux AX.25 ... Send Email What is Keratoconus? 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 comes from the Greek word meaning conical cornea. The cornea is the clear windshield of the eye and is responsible for refracting most of the light coming into the eye. Therefore, abnormalities of the cornea can greatly affect the way we see the world. 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. It is almost always bilateral (affecting both eyes). It is a slowly progressive disorder, taking years to develop, and may halt at any stage from mild to severe. Keratoconus has been well described since the mid-nineteenth century, however, the underlying reason for its development remains obscure. Keratoconus is currently the topic of much research. Some cases of KC have a hereditary component and studies indicate that about 8% of patients have affected relatives. However, most cases appear to be sporadic. It has been suggested that there is less than a 1 in 10 chance of having a child with some degree of keratoconus if one of the parents have KC without a family history. The actual incidence of KC is uncertain, large studies estimate 50 to 230 per 100,000. It occurs in all ethnic groups and has a slight female preponderance.

27. Keratoconus, Cornea Transplant, Cornea, Genetic Eye Medical Institute, Los Angel CorneaGenetic Eye Medical Institute. http://www.keratoconus.com/

Cornea-Genetic Eye Medical Institute Mark Goodson Building, Cedars-Sinai Medical Center Affiliated with the Medical Genetics Birth Defect Center at Cedars-Sinai Medical Center in Los Angeles, California, our clinic offers specialty consultation in cornea, refractive surgery (LASIK), and pediatric congenital diseases of the eye. Offices in Los Angeles, Santa Clarita and Lancaster. Cornea Genetic Eye Institute Mark Goodson Building, Cedars Sinai Medical Center 444 S. San Vicente Blvd, Suite 1102 Los Angeles, CA 90048 Voice: 1-310-423-9640 Los Angeles Office Location Lancaster Office Location Santa Clarita Office Location About the Director ... How to Contact Us Last Update April 4, 2000

28. Keratoconus Genetics Research Program keratoconus Genetics Research Program. * please note we Background.keratoconus literally means a coneshaped cornea. The cornea or http://www.keratoconus.com/keratoco.htm

Affiliated Doctors Laser Vision Correction (LASIK) Corneal ... Rabinowitz Keratoconus Genetics Research Program Pediatric Cornea Eye Birth Defects ... Us Keratoconus Genetics Research Program * please note we are urgently looking for any patient with keratoconus who has at least one brother or sister with keratoconus anywhere in the world. If you are willing to participate in our study please email us and we will contact you* Program staff: Yaron S. Rabinowitz, M.D. , Principle Investigator, Cornea Specialist/Ophthalmic Geneticist, and Diana Remba , Research Coordinator. This study is funded in part by a grant from the National Eye Institutes of Health. Background Our Goal Benefits of Participation How to Participate ... Information / How to get answers to your Questions Background Keratoconus literally means a cone-shaped cornea. The cornea or window of the eye thins, resulting in progressive nearsightedness and astigmatism over time. The vast majority of patients with keratoconus can be visually corrected with special contact lenses. They may require many lens changes over a lifetime as the cornea is constantly changing. The corneal thinning may stop or progress at any age.

29. AOA | Keratoconus keratoconus Eye Diseases, keratoconus is a vision disorder that occurs when thenormally round cornea (the front part of the eye) becomes thin and irregular http://www.aoanet.org/conditions/keratoconus.asp

Keratoconus Eye Diseases Keratoconus is a vision disorder that occurs when the normally round cornea (the front part of the eye) becomes thin and irregular (cone) shaped. This abnormal shape prevents the light entering the eye from being focused correctly on the retina and causes distortion of vision. In its earliest stages, keratoconus causes slight blurring and distortion of vision and increased sensitivity to glare and light. These symptoms usually appear in the late teens or late twenties. Keratoconus may progress for 10-20 years and then slow in its progression. Each eye may be affected differently. As keratoconus progresses, the cornea bulges more and vision may become more distorted. In a small number of cases, the cornea will swell and cause a sudden and significant decrease in vision. The swelling occurs when the strain of the cornea's protruding cone-like shape causes a tiny crack to develop. The swelling may last for weeks or months as the crack heals and is gradually replaced by scar tissue. If this sudden swelling does occur, your doctor can prescribe eyedrops for temporary relief, but there are no medicines that can prevent the disorder from progressing. Eyeglasses or soft contact lenses may be used to correct the mild nearsightedness and astigmatism that is caused by the early stages for keratoconus. As the disorder progresses and cornea continues to thin and change shape, rigid gas permeable contact lenses can be prescribed to correct vision adequately. In most cases, this is adequate. The contact lenses must be carefully fitted, and frequent checkups and lens changes may be needed to achieve and maintain good vision.

30. Keratoconus keratoconus defined and treatment information, including treatment and surgeryat the UM Kellogg eye Center. The cause of keratoconus is unknown. http://www.kellogg.umich.edu/conditions/cornea/keratoconus.html

Keratoconus Definition Symptoms Treatment Clinic Information Definition Keratoconus, meaning "cone shaped," describes a condition in which the cornea (the clear front window of the eye) becomes thin and protrudes. This abnormal shape can cause serious distortion of visual images. The cause of keratoconus is unknown. It usually appears in a patient during their late teens or early twenties. The disease slowly progresses for 10 to 20 years as the cornea steepens and scars. Although both eyes may be affected, one eye is usually worse than the other. Vigorous eye rubbing can add to the disease process, therefore patients with keratoconus are advised to avoid rubbing their eyes. Symptoms Frequent changing of glasses or contact lens prescriptions Blurring and distortion of vision Glare Light sensitivity and irritation Scarring of the cornea The symptoms described above may not necessarily mean that you have keratoconus. However, if you experience one or more of these symptoms, contact your eye doctor for a complete exam. Treatment Although there are no medicines known which will prevent progression of the disease, mild cases of keratoconus can be successfully treated with glasses or specially designed contact lenses. When vision is no longer satisfactory with glasses or contact lenses, a

31. Keratoconus Research The Discovery Fund for Eye Research scientists are world leaders in the explanationof molecular and biochemical changes in keratoconus corneas. keratoconus. http://www.discoveryfund.com/keratoconus.html

Home Research Overview Macular Degeneration Diabetic Retinopathy Ocular Herpes Keratoconus Molecular Ophthalmology Refractive Laser Infants and Children Clinical Trials Our Scientists Keratoconus Eye cross sections showing normal and keratoconus corneas Keratoconus (KC) is a disease of the cornea , the transparent curved "windshield" of the eye. The word keratoconus is formed by the joining of two Greek words - kerato meaning cornea and konos , meaning cone. 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. Scarring of the cornea often occurs. This affects vision, which may be blurred or distorted, or may produce a ripple effect. As the disease progresses the affected eyes become increasingly nearsighted (myopic). In its most advanced form functional vision can be destroyed. Searching For The Clue To Keratoconus "It's like Col. Mustard in the library with a wrench," said Discovery Fund scientist Donald Brown, Ph.D. "Much like the ever-popular board game, our efforts in keratoconus research are focused towards understanding what is responsible for this disorder and how it achieves the corneal thinning and distortion." Keratoconus is an eye condition in which the normally round dome-shaped cornea progressively thins causing a cone-like bulge to develop. This results in significant visual impairment. The cornea is the clear window of the eye and is responsible for focusing most of the light coming into the eye. If it is distorted, then the image people see is distorted and out of focus. Although the cornea appears to be one clear membrane, it is actually composed of three distinct layers of tissue, each with its own function.

32. Keratoconus keratoconus is a degenerative disease of the cornea that causes it to graduallythin and bulge into a conelike shape. keratoconus. Overview. http://www.stlukeseye.com/Conditions/Keratoconus.asp

Conditions Home Macular Degeneration Diabetic Retinopathy Dry Eye Syndrome ... Services Search Selected by the sciLINKS program, a service of National Science Teachers Association. Treatment Keratoconus Overview Keratoconus is a degenerative disease of the cornea that causes it to gradually thin and bulge into a cone-like shape. This shape prevents light from focusing precisely on the macula . As the disease progresses, the cone becomes more pronounced, causing vision to become blurred and distorted. 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 sometimes an inherited problem that usually occurs in both eyes. Illustration by Mark Erickson Signs and Symptoms Nearsightedness Astigmatism Blurred vision - even when wearing glasses and contact lenses Glare at night Light sensitivity Frequent prescription changes in glasses and contact lenses Eye rubbing Detection and Diagnosis Keratoconus is usually diagnosed when patients reach their 20's. For some, it may advance over several decades, for others, the progression may reach a certain point and stop.

33. Keratoconus Info I have an eye disease .It is called keratoconus .I was diagnosed with it in 1980and have been wearing special contacts for it ever since The symptom is http://www.geocities.com/TimesSquare/Stadium/9965/keratoconus.html

My Eyes-My Disease Protect Your Eyes...They're The Only Set You Get E - Mail Me and I will try to answer all your questions and thanks for visiting my site.....Feel free to browse my other pages and look around....Sign my guestbook on my home page and let me know you were here....Thanks Again ***Update for November 29,1999***....I am going to Ohio State University to participate in a study for a new type of contact lens for keratoconus patients....It is called a "Rose Lens" ....I will be going up to Columbus on the 4th of December to get an initial check up and fitting for the lenses and it should be about two weeks till I get them after that...I will let you know what we find out....Keep fighting and I'll write more later January 7,2000....I am having a bad time with my eys here recently....I am having trouble keeping my rght contact in....A little turn of the head or a glance in the wrong direction and the right contact comes flying out of my eye and luckily lands on my cheek....I don't now if the curve of my cornea is steepening or mayb the lens is so scratched, it won't sit down on my cornea just right....Either way, I can't hardly wait until my new contacts come in to Ohio State University....I am anxiously awaiting THE CALL from Aaron Betts at OSU....He is a very compassionate eye care profesional and if you ever get a chance for him to work on your vision problems, I would highly recommend it....He is very good....Well, I gotta go and see if I can get this darn right contact to stay in for a while now....Good luck and good vision to you all....Bye for now

34. Keratoconus Australia What is keratoconus? keratoconus is a thinning of the central zone ofthe cornea, the front surface of the eye. What causes keratoconus? http://www.keratoconus.asn.au/questions.html

What is keratoconus? Keratoconus is a thinning of the central zone of the cornea, the front surface of the eye. As a result of this thinning, the normally round shape of the cornea is distorted and a cone-like bulge develops, resulting in significant visual impairment. What causes keratoconus? The cause of keratoconus remains unknown, although recent research seems to indicate that it may be genetic in origin. Certainly, some cases of keratoconus have a hereditary component and studies indicate that about 8% of patients have affected relatives. If there is no evidence of keratoconus in successive generations of a family, there is less than a 1 in 10 chance of the children of a person with keratoconus also having the condition. Excessive eye rubbing has also been implicated as a causative factor. How common is keratoconus?

35. Welcome To Keratoconus Australia common questions button resources button contact us button registration button relatedlinks button events button mission statement button online forum button http://www.keratoconus.asn.au/

about us I registration I contact us I online forum I common questions I resources I mission statement I related links I privacy policy l Last Updated on March 24, 2003

36. HealthlinkUSA Keratoconus Links integral part of the treatment process. FindWhat. Click here for page1 of keratoconus information from the HealthlinkUSA directory. http://www.healthlinkusa.com/172ent.htm

37. Keratoconus keratoconus. This is a progressive condition that causes the cornea tobecome thinner and eventually bulge forward in a conelike shape. http://www.eyetoeyevisioncenter.com/kera.html

ABOUT US Are You Fed Up With Fast Food Eye Care? What We Do Why Come to Us Where Are We ... Email Us HOW MAY WE HELP YOU? CONTACT LENSES Improve your Vision While You Sleep I don't think I can wear contacts Bifocal Contacts Astigmatism and Contacts ... Dry Eyes Keratoconus This is a progressive condition that causes the cornea to become thinner and eventually bulge forward in a cone-like shape. The result is increasingly distorted vision that cannot be corrected with eyeglasses or soft contact lenses. There are a variety of semi-rigid oxygen permeable lens designs that fit different types of keratoconus, and all of them do an excellent job of providing clear vision by negating or compensating for the distortion of the cornea. Sometimes, we will fit a combination of semi-rigid and soft contact lenses, a method called "piggy-back lenses". Unfortunately, in many cases, the ultimate progression of this condition results in corneal scarring, and eventually a corneal transplant is the only treatment.

38. Keratoconus keratoconus. keratoconus is literally an increasing conical shape to thecornea; the central cornea thins and may rupture in advanced stages. http://www.tsbvi.edu/Education/anomalies/keratoconus.htm

KERATOCONUS DESCRIPTION: A rare, trilateral, degenerative disease; inherited as an autosomal recessive trait; affects all races; appears in the second decade of life, and progresses slowly between the ages of 20 and 60; associated with a number of other diseases, including Down's syndrome, atopic dermatitis, retinitis pigmentosa, aniridia, Marfan's syndrome. Keratoconus is literally an increasing conical shape to the cornea; the central cornea thins and may rupture in advanced stages. Blurred vision is the only symptom, however, examination shows a distorted corneal reflection and an inability to see the fundi. TREATMENT: Contact lenses improve visual acuity in the earliest stages. A corneal transplant is indicated when the corrected visual acuity decreases beyond the patient's tolerance for functional activities. IMPLICATIONS: If a corneal transplant is done before corneal thinning occurs, about 80%-95% of patients retain reading vision. Genetic counseling may be indicated. Related Websites: WHO GETS KERATOCONUS?

39. Keratoconus keratoconus Intro keratoconus is a corneal disease with causes thinningand protrusion of the front surface of the eye (cornea). http://www.bgsm.edu/eye/cornea/kconus.htm

Wake Forest University Eye Center Cornea Specialists Home Up [ Keratoconus ] Blepharitis Fuchs' Endothelial Dystrophy Dry Eye Recurrent Corneal Erosion ... Cataract Keratoconus: Intro: Keratoconus is a corneal disease with causes thinning and protrusion of the front surface of the eye (cornea). In advanced stages it appears to be a "cone-shaped" cornea. Keratoconus typically starts early in life and slowly progresses with age. Patients with keratoconus typically are unaware of the condition until they no longer see well with a simple pair of glasses. It can easily be detected by your ophthalmologist using a special picture test known as computerized corneal topography. Cause: Although it has never been proven, there is strong evidence that habitual eye rubbing may have something to do with the progression of keratoconus. Most experts agree that genetics play a large part in determining who will be affected. Prognosis: The prognosis for a patient with keratoconus is good. It typically does not lead to permanent blindness and in most cases rigid gas permeable contact lenses (RGPs) can correct the vision. Seldom does a patient need a corneal transplant to correct the condition. If this is the case, the transplant is successful in correcting the vision in 90% of cases.

40. Keratoconus Genetics Research Program keratoconus Genetics Research Program. The vast majority of patients withkeratoconus can be visually corrected with special contact lenses. http://www.laser-prk.com/keratoco.htm

Affiliated Doctors Laser Vision Correction (LASIK) Corneal ... Rabinowitz Keratoconus Genetics Research Program Pediatric Cornea Eye Birth Defects ... Us Keratoconus Genetics Research Program Program staff: Yaron S. Rabinowitz, M.D. , Principle Investigator, Cornea Specialist/Ophthalmic Geneticist, and Diana Remba , Research Coordinator. This study is funded in part by a grant from the National Eye Institutes of Health. Background Our Goal Benefits of Participation How to Participate ... Information / How to get answers to your Questions Background The vast majority of patients with keratoconus can be visually corrected with special contact lenses. They may require many lens changes over a lifetime as the cornea is constantly changing. The corneal thinning may stop or progress at any age. In less than 10% of cases, a cornea transplant may be needed. Cornea transplants are the most successful of all organ transplants with a success rate of greater than 96% in patients with keratoconus. The cause of keratoconus is unknown. Eye rubbing, hard contact lenses and genetic factors have all been implicated.

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