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Retinitis Pigmentosa News

When Diabetes Strikes, Get Moving to Lower Risk to Eyes

Posted 4 Aug 2016 by Drugs.com

THURSDAY, Aug. 4, 2016 – People with diabetes who remain inactive may have higher odds for a vision-robbing eye condition, new research suggests. While the study couldn't prove a cause-and-effect relationship, researchers say a "couch potato" lifestyle does seem to raise the risk for diabetic retinopathy. According to the U.S. National Eye Institute, the condition "involves changes to retinal blood vessels that can cause them to bleed or leak fluid, distorting vision." Diabetic retinopathy is the most common cause of vision loss for people with diabetes. Could exercise – or a lack of it – affect risk for the disease? To find out, a team led by Paul Loprinzi at the University of Mississippi tracked outcomes for 282 U.S. diabetes patients. The patients averaged 62 years of age. Nearly one-third (29 percent) had mild or more severe diabetic retinopathy. Using an accelerometer device to ... Read more

Related support groups: Diabetes, Type 2, Eye Conditions, Insulin Resistance, Pre-Diabetes, Diabetes Mellitus, Retinal Disorders, Diabetic Retinopathy, Abnormal Glucose Tolerance, Retinitis Pigmentosa, Visual Defect/Disturbance, Retinal Vasculitis, Retinal Hemorrhage, Retinopathy Prophylaxis

FDA Approves 'Bionic Eye' to Help Against Rare Vision Disorder

Posted 14 Feb 2013 by Drugs.com

THURSDAY, Feb. 14 – An implanted, sight-enhancing device some are calling a "bionic eye" is the first to gain approval for use in the United States, officials announced Thursday. According to the U.S. Food and Drug Administration, the new Argus II Retinal Prosthesis System can help patients with a genetic eye disease called retinitis pigmentosa regain some sense of vision. About 100,000 Americans are believed to be affected by the illness, which causes a gradual deterioration of the eyes' photoreceptor cells. The new device uses a tiny video camera attached to eyeglasses that transmits images to a sheet of electrode sensors that have been sewn into the patient's eye. These sensors then transmit those signals to the brain via the optic nerve. The device helps replace the damaged cells of the retina and helps patients see images or detect movement. "It's a start, it's a beginning," said ... Read more

Related support groups: Retinitis Pigmentosa

Retinal Implant Approved for Inherited Eye Disease

Posted 14 Feb 2013 by Drugs.com

THURSDAY, Feb. 14 – The Argus II Retinal Prosthesis System has been approved by the U.S. Food and Drug Administration to treat adults with advanced retinitis pigmentosa (RP), a rare genetic disease that damages light-sensitive cells that line the eye's retina. Normally, these cells convert rays of light into electrical impulses that are sent along the optic nerve to the brain, which assembles the impulses into an image. This first-approved implant includes a tiny video camera, a transmitter mounted on a pair of glasses, and an implanted artificial retina that helps the brain perceive images and movement, the FDA said in a news release. The new system is intended for people aged 25 and older who have severe RP that restricts their perception of light, vision and movement. The device will not restore full vision but will aid in the detection of light and dark, and the ability to identify ... Read more

Related support groups: Retinitis Pigmentosa

Experimental Chemical Helps Blind Mice See

Posted 25 Jul 2012 by Drugs.com

WEDNESDAY, July 25 – A novel chemical temporarily restored some vision to blind mice, and this success may eventually lead to a treatment to help people with degenerative blindness see again, according to a new study. Those who could benefit include people with retinitis pigmentosa and age-related macular degeneration (AMD). Retinitis pigmentosa is a genetic disease that is the most common inherited form of blindness, while AMD is the most common cause of acquired blindness in the developed world. In both diseases, light sensitive cells in the retina called rods and cones die and leave the eye without functioning photoreceptors. The mice used in this study had genetic mutations that made their rods and cones die within months of birth. Injections of the chemical AAQ into the eyes of the blind mice temporarily restored their light sensitivity, according to the study published in the ... Read more

Related support groups: Macular Degeneration, Retinitis Pigmentosa

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