81. Retinitis Pigmentosa (Night) Vision Simulator The retinitis pigmentosa Simulator is designed to help patients and their caregivers better understand the possible progression of vision loss caused by this http://www.visionsimulator.com/retinitis_pigmentosa_night/

What is retinitis pigmentosa? Retinitis pigmentosa is actually a group of diseases that cause a slow progressive vision loss. Approximately 200,000 Americans have some form of retinitis pigmentosa. In most cases, retinitis pigmentosa is inherited, although it may skip generations. People with retinitis pigmentosa may also develop other treatable eye diseases, such as glaucoma or cataracts. What are the symptoms of retinitis pigmentosa? Night blindness Loss of side vision What causes retinitis pigmentosa? People with retinitis pigmentosa gradually lose the light-sensitive cells at the back of the eye. These cells of the retina are called rods and cones. As the cells die, vision decreases. How is retinitis pigmentosa treated? At present, there is no cure for retinitis pigmentosa. The progress of the disease can sometimes be slowed to preserve vision. Current research focuses on the genetic factors. Understanding how retinitis pigmentosa is passed along could help in finding a way to treat or prevent it. Additional Resources Ophthalmology Resource Center American Foundation for the Blind International Glaucoma Association American Academy of Ophthalmology ... Prevent Blindness America

82. Retinitis Pigmentosa - Low Vision --NoIR Medical Technologies retinitis pigmentosa sunglasses from from NoIR Medical Technologies. Since 1972 specializing in eye protection. retinitis pigmentosa Colors. http://www.noir-medical.com/ret_pig.htm

NoIR Medical Technologies Retinitis Pigmentosa Colors 49% Orange UVShield U60 52% Light Orange UVShield U68 54% Yellow UVShield U50 65% Light Yellow UVShield U58 ... 40% Light Amber NoIR 111 Sunglasses for Retinitis Pigmentosa patients. Glasses available in three Fit-Over sizes: Large, Medium and Small with 400 Series Flip-up Clip-Ons. Select the sunglass for more information. Percents (%) represent amount of visible light transmitted through each lens. Home Catalog To Order Search ... Contact Us NoIR Medical Technologies P.O. Box 159 South Lyon, MI 48178 800-521-9746 USA 734-769-1708 FAX top

83. Ziekenhuis.nl - Ziektebeelden - Retinitis Pigmentosa retinitis pigmentosa. Retinitis Hoe vaak komt het voor? Geschat wordt dat ongeveer 14000 mensen retinitis pigmentosa (RP) heeft. Dat http://www.ziekenhuis.nl/index.php?cat=ziektebeelden&item_id=306&ziektebeelden=z

84. Retinitis Pigmentosa - Medical Dictionary Definitions Of Popular Medical Terms MedicineNet Home MedTerms medical dictionary AZ List retinitis pigmentosa. Advanced Search. http://www.medterms.com/script/main/art.asp?articlekey=22264

85. THE MERCK MANUALSECOND HOME EDITION, Retinitis Pigmentosa In Ch. retinitis pigmentosa. retinitis pigmentosa is a rare, progressive degeneration of the retina that eventually causes blindness. Retinitis http://www.merck.com/mrkshared/mmanual_home2/sec20/ch234/ch234e.jsp

86. Strona G³ówna Polskiego Stowarzyszenia Retinitis Pigmentosa Strona glówna Polskiego Stowarzyszenia retinitis pigmentosa zrzeszajacego osoby chore na zwyrodnieniami siatkówki. Polskie Stowarzyszenie http://psrp.idn.org.pl/

Polskie Stowarzyszenie Retinitis Pigmentosa Strona g³ówna Ostatnia aktualizacja: 3-11-2003 Czy to jest ta luteina? Tu dowiesz siê co to jest: Barwnikowe zwyrodnienie siatkówki (retinitis pigmentosa) Degeneracja plamki ¿ó³tej zwi±zana z wiekiem (AMD)(AMR) Zespó³ Ushera O stowarzyszeniu ... Kontakt z nami

87. Retinitis Pigmentosa (RP) http://www.absv.de/sbs/rp.html

Retinitis Pigmentosa (RP) Bei der Retinopathia Pigmentosa, die umgangssprachlich meist als „Retinitis Pigmentosa" bezeichnet wird, handelt es sich um eine Gruppe erblich bedingter Netzhauterkrankungen. Erste Anzeichen sind in jungen Jahren vor allem oft Schwierigkeiten bei der Hell-Dunkel-Anpassung und umgekehrt, Blendempfindlichkeit. Inhaltsverzeichnis Aktuelles Spenden Presse ... Startseite

88. R.P. Retinitis Pigmentosa Eys Disorders Ophthalmological Disease Hallo, my name is Annika Wistrand/Högel and I am 26 years old. I was born with a disease called retinitis pigmentosa (RP). The http://www.abc.se/~m10039/annikas.htm

Please help me before it is too late Hallo, my name is Annika Wistrand/Högel and I am 26 years old. I was born with a disease called Retinitis Pigmentosa (R.P.). The ophthalmologist wrongly diagnosed me as strabismal and I received ”eye-patch” and glasses for farsightedness. Not until 14 years of age it appeared to me that something was wrong. Earlier I had been able to read a paper without wearing glasses and it was terrifying to realise how much my visual sight had deteriorated. The disease consists of so called ”spots” on the retina and in these fields my vision disappears. Today my visual is 5 % of normal but is constantly getting worse and worse. By using this media I hope to get in contact with researchers over the world, studying Retinitis Pigmentosa; ophthalmologists, universities, hospitals, pharmaceutical industries and/or people with the same diagnose as myself. Diagnosis: Progressive retinal degenerative disease Visual acuity: 0,08 on right eyes and blind on the left. Changes: After dilatation detachment of the vitreous body. Slightly pale papilla (optic disk). Narrow vessels. Macula-changes in the shape of pigmentdisplacement. In the medio peripheral surrounding a broad annular (ring) of retinitis pigmentosa-shaped pigmentation. Esotropia. Blindsensitive. Nightblindness.

89. Retinitis Pigmentosa retinitis pigmentosa. What Is retinitis pigmentosa (RP)? Retinitis occurs. What Are the Different Types of retinitis pigmentosa? Genetics of RP. http://www.visionconnection.org/Content/YourVision/EyeDisorders/RetinitisPigment

Home Your Vision Eye Disorders Retinitis Pigmentosa What Is Retinitis Pigmentosa (RP)? Retinitis Pigmentosa (RP) is the name given to a group of hereditary retinal diseases characterized by progressive loss of visual field, night blindness and reduced or absent electroretinogram (ERG test) recording, which indicates that a large portion of the retina is damaged. RP causes the degeneration of photoreceptor cells in the retina. Photoreceptor cells capture and process light helping us to see. As these cells degenerate and die, patients experience progressive vision loss. There are two types of photoreceptor cells: rod cells and cone cells. Rod cells are concentrated along the outer perimeter of the retina. Rod cells help us to see images that come into our peripheral or side vision. They also help us to see in dark and dimly lit environments. Cone cells are concentrated in the macula, the center of the retina, and allow us to see fine visual detail in the center of our vision. Cone cells also allow us to perceive color. Together, rods and cones are the cells responsible for converting light into electrical impulses that are transmitted to the brain where "seeing" actually occurs. What Are the Different Types of Retinitis Pigmentosa?

90. DOG: Die DOG: Preise Und Förderungen: Retinitis Pigmentosa-Forschungspreis Zur retinitis pigmentosa-Forschungspreis zur Verhütung von Blindheit der Pro Retina Deutschland eV und der RP-Vereinigung Schweiz. http://www.dog.org/dog/preis_retinitis_pigmentosa_forschung.html

Die DOG der Pro Retina Deutschland e.V. und der RP-Vereinigung Schweiz Arbeiten zur Lokalisation der involvierten Gene Biochemische, ophthalmologische, morphologische, immunologische pathologische, physiologische und pharmakologische Untersuchungen zur Netzhautdegeneration Anlage und Erforschung von Zellkulturen tierischer und insbesondere menschlicher Retinae Untersuchungen zur Wirksamkeit von Therapien Seitenanfang Deutsche Ophthalmologische Gesellschaft Letzte Aktualisierung dieser Seite: 02.3.2004 Designed by spallek.com

91. RPlist Home Page The most common forms are Macular Degeneration and retinitis pigmentosa (or RP, which gave its name to RPlist); other forms include Usher syndrome, Stargardt http://www.dixonvision.com/rplist/

Welcome to RPlist the retinal degeneration discussion list. See here how you can make these pages easier to read. This is the official web site of RPlist, the Retinal Degeneration Mailing List. It gives information about this mailing list only. For information about retinal degenerations, refer to the links page Table of contents (7 links). What is RPlist? What is a Retinal Degeneration? How can I subscribe to RPlist? What can I discuss on RPlist? ... Acknowledgments. What is RPlist? RPlist is an electronic mailing list , i.e. a group of people who use electronic mail (e-mail) on the Internet to exchange ideas and information. Any e-mail message sent to the list's address is automatically forwarded to all members (subscribers). Anyone with a valid Internet e-mail address can join or leave the group at any time. Participation is entirely free of charge. RPlist is dedicated to discussions related to retinal degenerations . It is open to people personally effected by these conditions, their family and friends, people working in the eye care or low vision fields, and more generally anyone who wants to learn or share experience in relation with retinal conditions. back to top What is a Retinal Degeneration?

92. VisionWeb retinitis pigmentosa. retinitis pigmentosa affects the rods and the cones and may lead to poor night vision, loss of peripheral vision http://www.visionweb.com/content/consumers/dev_consumerarticles.jsp?RID=31

93. University Of Michigan Kellogg Eye Center retinitis pigmentosa. Definition retinitis pigmentosa (RP) refers to a group of diseases which cause a slow but progressive vision loss. http://www.kellogg.umich.edu/patientcare/conditions/pigmentosa.html

Home Eye Conditions A-D E-M ... Frequently Asked Questions Retinitis Pigmentosa Definition Symptoms Treatment Clinic Information Definition Retinitis Pigmentosa (RP) refers to a group of diseases which cause a slow but progressive vision loss. In each of them there is a gradual loss of the light-sensitive retinal cells called rods and cones. An estimated 200,000 people in the United States have some form of RP. Most forms of RP are inherited or genetic, though its signs do not necessarily appear in every generation. Learning more about your family history may help you and your doctor to make informed decisions about treatment and eventually a cure for RP. In some cases, RP may be associated with other health problems, such as hearing loss. People with RP may also develop other treatable eye diseases, such as glaucoma and cataract Symptoms Night blindness Loss of peripheral vision (Symptoms usually start during young adulthood, although RP may be seen at any age.) The symptoms described above may not necessarily mean that you have retinitis pigmentosa. However, if you experience one or more of these symptoms, contact your eye doctor for a complete exam. Treatment Currently, very few treatments exist for persons with RP. Occasionally, the degeneration can be slowed to preserve vision for a longer time. Genetic studies of RP are a significant factor in finding a cure or prevention for this disease. The U-M is performing research on genetic factors of RP.

94. Çѱ¹RPÇùȸ(Korean Retinitis Pigmentosa Society; KRPS) The summary for this Korean page contains characters that cannot be correctly displayed in this language/character set. http://rps.netian.com/

±× µ¿¾È Á¦°¡ ¿î¿µÇØ ¿À´ø Çѱ¹RPÇùȸ ȨÆäÀÌÁö´Â 2002³â 3¿ù 1ÀÏ ÀÚ·Î www.krps.or.kr À¸·Î ÀÌÀü µÇ¾úÀ¸´Ï RP¿¡ °ü·µÈ »çÇ×Àº Çѱ¹RPÇùȸ »ó´ã ÀüÈ­ 02-402-6331(³²±ÝÁÖ), °ü¸®ÀÚ ¸ÞÀÏ krps@krps.or.kr Á¦°¡ ¸Á¸·»ö¼Òº¯¼ºÁõ(Retinitis Pigmentosa; RP)À̶õ Áúº´À¸·Î Èûµé¾î ÇÏ¸ç ¸¸µé¾ú´ø ȨÆäÀÌÁö±â¿¡ Á¦°Ô´Â ¹«´ ¼ÒÁßÇÑ °ø°£ ÀÌ¿´½À´Ï´Ù. Copyleft ¿îµ¿À» ÇÏ¸ç ¸¸µé¾î°£ ±×·± ȨÆäÀÌÁö¿´±â ¶§¹®¿¡, ±×¸®°í Èûµé¶§ Àú¸¦ ÁöÄÑ ÁØ ±×·¯ÇÑ °ø°£ ÀÌ¿´±â¿¡ Á¤¸» ¼ÒÁßÇÑ °÷ ÀÌ¿´Áö¿ä. RP°¡ °¡²û ÀλýÀ» Èûµé°Ô ÇÒÁö¶óµµ ÇÏ·ç ÇÏ·ç Ö¼±À» ´ÙÇØ »ì¾Æ°¥ °Í ÀÔ´Ï´Ù. Èʳ¯ RP°¡ ¾Æ´Ñ ´Ù¸¥ ÁÁÀº Àο¬À¸·Î ¸¸³¯ ¼ö ÀÖ¾úÀ¸¸é ÁÁ°Ú³×¿ä. ±× µ¿¾È Àú¸¦ ¾Æ±î°í »ç¶û ÇØ ÁֽŠ¸ðµç ºÐµé²², ȨÆäÀÌÁö¸¦ »ç¶û ÇØ ÁֽŠ¸ðµç ºÐµé²² °¨»ç µå¸³´Ï´Ù. ±×·³ ¸ðµÎ ´ °Ç°­ ÇϽ±â¸¦ ¹Ù¶ó¸ç... ( koreanrps@hanmail.net rps@netian.com You are visitor number since 20 April 1999. Copyleft (c) 1999

95. Retinitis Pigmentosa retinitis pigmentosa, Definition. retinitis pigmentosa is the name given to a group of diseases that affect the retina. The retina http://ww3.komotv.com/global/story.asp?s=1230586

96. Eye Care - Retinitis Pigmentosa retinitis pigmentosa. What is retinitis pigmentosa? retinitis pigmentosa is ability. What causes retinitis pigmentosa? retinitis pigmentosa http://www.nyp.org/health/cd_rom_content/adult/eye/retin.htm

Retinitis Pigmentosa What is retinitis pigmentosa? Retinitis pigmentosa is actually the name given to a group of hereditary eye disorders, all of which involve the eye's retina, the light-sensitive nerve layer that lines the back of the eye, and all of which cause a gradual, yet progressive, loss or reduction in visual ability. What causes retinitis pigmentosa? Retinitis pigmentosa is caused by a variety of different inherited retinal defects - all of which affect the ability of the retina to sense light. The retinal defect may be found in the retina's rod cells (a type of retinal cell found outside of the central portion of the retina that help to transmit dim light and allow for peripheral vision), the retina's cone cells (a type of retinal cell found inside the center of the retina that help to transmit the color and detail of images), and/or in the connection between the cells that compose the retina. What are the symptoms of retinitis pigmentosa? The following are the most common symptoms of retinitis pigmentosa. However, each individual may experience symptoms differently, especially with severity and progression as the most obvious variables. Some persons with retinitis pigmentosa experience a slow, very progressive loss of vision, while others lose their visual ability much more quickly and severely. Other common symptoms may include:

97. Retinitis Pigmentosa SOME CAUSES OF VISUAL IMPAIRMENT. retinitis pigmentosa Reproduced courtesy of The Low Vision Centers of Indiana. retinitis pigmentosa Low Vision Care http://www.ovac.com/rp.htm

SOME CAUSES OF VISUAL IMPAIRMENT Retinitis Pigmentosa Reproduced courtesy of The Low Vision Centers of Indiana Retinitis Pigmentosa Low Vision Care Low Vision rehabilitation of patients with retinitis pigmentosa center around several issues: light and glare problems, visual field loss, task light needs,decreased central vision in later stages and night blindness. Patients with RP and related diseases live in a world where light and glare constantly interfere. For many RP patients, walking outside into the sun may result in being overwhelmed by brightness to the point of temporary disability. The same might happen to us he we attend a daytime movie then walk out into bright sun. For the RP patient, this may happen continually. Light and glare symptoms will vary depending on the degree of damage Amber filters of varying density may help these patients. Very dark filters such as the dark plum may be required by some. Others may find a dark amber adequate. The patient's we have followed over several decades generally require more filter initially as the condition begins but less density in their filters as the decease becomes more advanced. Hats and visors are often helpful and wraparound sun wear with side shield effects are helpful. Loss of Visual Field: Tunnel Vision Visual field awareness systems may be employed to aid loss of peripheral vision. Our experience has been that reverse telescopes or amorphic lens work for many patient but success is more likely when the patient's visual field are constricted under ten degrees. To use a reverse telescope the patient must have good visual acuity. We recommend 20/40 or better but never less than 20/80 since the reverse telescope will minify objects and thus make the acuity lower In cases of decreased visual acuity and visual field loss, prisms may still be employed. These include the InWave Retinitis pigmentosa lenses, the Gottlieb Visual Field Awareness System and Press-on Visual Field Prisms. Prisms can be successfully employed earlier than reverse telescopes.

98. Breakthrough For Retinitis Pigmentosa Breakthrough for retinitis pigmentosa Isolating the genes. retinitis pigmentosa, a degenerative disease of the retina, is the leading http://www.scienceinafrica.co.za/2001/july/pigment.htm

Feature Home Events Jobs Funding ... Archives Breakthrough for Retinitis Pigmentosa: Isolating the genes Retinitis pigmentosa, a degenerative disease of the retina, is the leading heritable cause of blindness today. The condition is caused by mutations in genes responsible for a number of different retinal components. These genes and disease-causing mutations can be inherited. Modern genetic technologies allow for the location of these genes and mutations. Once found their effects can be studied, and the foundation laid down for the potential development of gene-based therapies. A research team at the University of Cape Town, headed by Human Genetics professors Raj Ramesar, who also directs the Medical Research Council's Human Genetics Reseach Unit, and Jacquie Greenberg, working with Dr Chris Inglehearn in Leeds in the UK, have found the genetic defect which causes a form of retinitis pigmentosa. This form of the condition was prevalent in a very large family in South Africa, and with the co-operation of key members of the kindred, the UCT and UK researchers were able to track down the mutation responsible for their condition. The gene responsible was found on chromosome 17. Many research teams around the world have made similar discoveries, but what sets this one apart is that the mutation is to a gene which has a universal function throughout the human body. Most other mutations discovered have been to genes which have a specific function within the retina alone.

99. RVIB - Understanding Retinitis Pigmentosa Understanding retinitis pigmentosa (RP). My vision is quite good in the daylight, but I am as blind as a bat at night! . What is retinitis pigmentosa (RP)? http://www.rvib.org.au/community_ed/rp.shtml

Home Page About RVIB Support RVIB Services for Clients ... Site map Search This Site: Advanced Search Eye Conditions Understanding Retinitis Pigmentosa (RP) "My vision is quite good in the daylight, but I am as blind as a bat at night!" What is Retinitis Pigmentosa (RP)? Retinitis Pigmentosa is the name given to a group of hereditary eye conditions in which there is a progressive deterioration of the retina. Rays of light pass through the cornea, then through the pupil (which is in the centre of the iris) and are focussed by the lens onto the macula, a small area in the centre of the retina. The retina is the delicate layer of tissue that lines the whole of the inside wall at the back of the eye. It is made up of 10 layers, with the outermost layers containing the seeing cells and the pigment layer. In the retina there are two types of seeing cells, rods and cones. The peripheral retina which gives us our side vision contains mainly rod cells. These cells provide our night vision and enable us to see the whole scene and to move about our surroundings. They work best in dim light. The macula which gives us our straight ahead vision contains cone cells. These cells allow us to see detail and discriminate colour. They work best in bright light.

100. The DRM WebWatcher: Retinitis Pigmentosa (RP) A Disability Resources Monthly guide to the best online resources about retinitis pigmentosa. http://www.disabilityresources.org/RP.html

Home WebWatcher Regional Librarians ... Contact Us The DRM WebWatcher Retinitis Pigmentosa (RP) Updated 1/5/2004 A B C D ... About/Hint/Link Retinitis Pigmentosa (RP) is an hereditary, progressive eye disease that affects a person's night and peripheral vision. See these sites for more information. Australian Retinitis Pigmentosa and Retinal Degeneration Good resources from down under! This site includes information and links relating to computer access and adaptive equipment, international and Australian RP and low vision support organizations, links to research sites and sites by persons with RP, chat, mailing lists, and more. Focus Focus is a "a grass-roots group of RP patients calling for new and expanded directions in scientific research and applied medicine for their condition." Its website provides information about alternative treatments and current research and studies, which are provided on "an information only basis and do not intend or imply that they are the correct or only course of treatments that should be administered." The site includes extensive information about RP and nutrition, FAQs, and a newsletter. As always, DRM recommends viewing medical and legal information on personal websites with caution. RP - Retinitis Pigmentosa John Wenberg, the author of this personal homepage, has compiled an extensive guide to RP and RP resources online. Topics covered include RP links, RP E-Pals, mailing lists, research, RP Internet chat, the inheritance of retinal degeneration, online articles, contacts, FAQs, personal experiences, and more. As always, DRM recommends viewing medical and legal information on personal websites with caution.

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