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Retina in Medical News

Cancer treatment controls macular edema related to diabetes and to cataract surgery

... Cataract Surgery DR damages the light-sensitive retina at the back of the eye, the area that transmits ... (139 eyes) by the Pan-American Collaborative retina Study Group, led by J. Fernando Arevalo, MD, of ... occurred. The Pan-American Collaborative retina Study Group also reviewed the use of bevacizumab ...

Stemedica Discovers Significant Breakthrough in the Use of Stem Cells and Stem Cell Factors for the Treatment of Retinal Degeneration

... the potential treatment of degenerations of the retina and retinal pigmented epithelium. ... the potential treatment of degenerations of the retina and retinal pigmented epithelium. Retinal ... study team was comprised of Edwin Boldrey, MD, a retina and Vitreous Specialist from Northern California ...

Growth factor TGF-B helps maintain health of retinal blood vessels

... essential to the health of blood vessels in the retina and that blocking it can cause retinal ... efficiently through the smaller vessels into the retina tissue, and fluid was leaking out of the vessels, ... set of controls that keeps blood vessels and the retina healthy. Future studies are aimed at exploring ...

Taurine: Key to the visual toxicity of an anti-epileptic drug for children?

... acid, taurine, resulting in a degeneration of the retina cells induced by light. The researchers therefore ... of this drug can induce an impairment of the retina and a restriction of the visual field, noted, ... The results show that there is no damage to the retina when the animals are kept in the dark throughout ...

Team led by Scripps Scientists increases understanding of two types of blindness

... occurs in the back of the eyes in an area of the retina that is normally avascular. This is also a ... glia, extends from the front to the back of the retina and produce glial fibrillary acidic protein ... inject into the vitreous cavity, rather than the retina itself, viral particles loaded with the genetic ...

Cell death from cytomegalovirus may bring new life to treatment of retinal disease

... new insight into the larger issue of how the retina responds to assault, whether by infection or a ... into the eye or even surgery. "Normally the retina is neatly stratified. What happens is you get an infection in the most external part of the retina in humans the virus may actually have been ...

Long-Term Results of VisionCare's Implantable Telescope for End-Stage Macular Degeneration Published in the American Journal of Ophthalmology

... M.D., lead author for the IMT002 study and retina specialist at retina Centers, P.C. in Tucson, AZ. "These findings are ... central vision images over a wide area of the retina to improve central vision, while the non-operated ...

Anti-VEGF drugs for retinal diseases could have serious side effects, scientists caution

... of photoreceptors and Muller glia - cells of the retina that are essential to visual function. This ... damaging blood vessel growth and leakage in the retina by neutralizing VEGF. "The take home message ... role of this growth factor in the normal adult retina was critical. She and her laboratory mimicked the ...

Sunlight exposure plus low antioxidant levels may place older adults at risk for eye disease

... , one of the JAMA/Archives journals. "The retina is vulnerable to the damaging effects of light," ... are largely absorbed by the cornea and lens, the retina is exposed to visible light, including blue ... studies suggest blue light may damage the retina and contribute to the development of AMD, which ...

Retina Group of New York To Present Seminar on Age-Related Macular Degeneration; The Leading Cause of Visual Loss in Seniors

... The retina Group of New York will present an educational ... J. Oda, M.D., vitreoretinal specialists from the retina Group of New York. As people live longer, they ... seniors. The macula is the center portion of the retina and is used for straight-ahead vision. It is the ...

JCI table of contents: May 22, 2008

... vision loss is the accumulation of fluid in the retina of the eye because blood vessels in the retina have become more permeable. New data, suggesting ... of increased blood vessel permeability in the retina of individuals with diabetic retinopathy. In the ...

Scientists successfully awaken sleeping stem cells

... cells and injected each into the space below the retina in healthy mice. In both cases, the cells became ... migrated to where they might be needed in the retina and turned into desirable cell types. ... effects of glutamate, which can actually harm retina cells in large doses. We believe that a drug ...

Anemia treatment may be a double-edged sword

... begins when healthy blood vessels nourishing the retina die. Numerous vessels then grow in, but they are ... Ultimately, the deformed vessels may pull the retina off the back of the eye, causing blindness. ... measured erythropoietin produced in the retina as the disease progressed. Production was 3 to ...

Transporters may help delay diabetes-related retinal damage

... glucose but the inability of cells to use it, the retina may turn to those alternate sources for survival. ... source, says Dr. Martin. But in diabetes, the retina undergoes a lot of stress, there is oxidative ... they can transport these substrates into your retina and hopefully prevent some of the neuronal cell ...

Ellex Announces New Retina Regeneration Therapy to be Presented at the AAO

... the initial results of treating patients with retina Regeneration Therapy (Ellex 2RT(TM)) will be ... have shown the entire transport mechanism of the retina has been rejuvenated. Dr. Hamilton treated the ... that lead to atrophic cell death of the central retina or macula, which is required for fine vision used ...

Impact of elevated homocysteine levels on vision under study

... says, looking at images of a fragmented 10-layer retina exposed to high levels of homocysteine. A healthy retina tissue at the back of the eye that receives ... have been studying how folate gets to the retina and how diseases such as diabetes interfere. They ...

UNC study suggests new approach to common cause of blindness

... have fully infiltrated and destroyed the central portion of the eye's retina -- an area known as the macula -- to cause vision loss. "It would be ... growth, giving us the opportunity to prevent structural damage to the retina and preserve vision." Age-related macular degeneration (AMD) affects 30 ...

QLT announces positive results from the evaluation of Visudyne(R) combination therapy

... an acceptable safety profile is very encouraging," said Allen C. Ho, M.D., retina Diagnostic & Treatment Assoc., LLC, and one of the two lead ... validated our therapeutic approach to wet AMD," said Henry Hudson, M.D., retina Centers, PC, the other lead investigator for the study. "Wet AMD is an ...

New Insight Into Primate Eye Evolution

... during the day). Rod cells are the most light-sensitive cells in the retina making them effective for nighttime vision. The owl monkey's nocturnal retina is also larger and lacks a fovea, the central region of high-density cone ...

New Medical Study Establishes First-Ever Long-Term Benefits for Macular Degeneration Sufferers Using Macular Health Vitamin Supplement

... Control and Prevention. However, a new medical study by a group of retina specialists at the Callahan Eye Foundation Hospital at the University of ... in Ophthalmology (ARVO) for poster presentation. Mason and a team of retina specialists will continue to monitor study participants to evaluate ...

3-D snapshots of eyes reveal details of age-related blindness

... in which the macula -- the region of highest visual acuity in the retina -- stops functioning properly. AMD causes blurred vision and, in advanced ... of these changes with a resolution that enables individual layers of the retina to be visualized. "This would be hard to resolve with the standard ...

'Dark cells' of living retina imaged for the first time

... A layer of "dark cells" in the retina that is responsible for maintaining the health of the light-sensing cells in our eyes has been imaged in a living retina for the first time. The ability to see this nearly invisible layer ...

MIT develops camera for the blind

... the time, she was completely blind. To determine if she had any healthy retina left, technicians peered into her eyes with a scanning laser opthalmoscope, or SLO. With the machine they projected a simple image directly onto the retina of one eye, past the hemorrhages within the eye that contributed to her ...

Ophthalmology highlights Jan. 2009

... Advanced complications include the growth of abnormal blood vessels on the retina and optic nerve, and DME, swelling of the macula at the center of the retina as fluid leaks from permeable blood vessels. Precisely how DME develops is ...

Texas Eye Institute Named Official Houston Rockets Eye Care Team

... and fans comprehensive eye care services including General Ophthalmology, retina Specialist, Corneal and Pediatrics, as well as the latest in LASIK ... eye care procedures, prescriptions, eye emergencies, eye surgeries, retina disease and laser vision correction. For more information, visit ...

Anti-VEGF Drugs for Retinal Diseases Could Have Serious Side Effects, Scientists Caution

... mice causes the death of photoreceptors and Muller glia -- cells of the retina that are essential to visual function. This finding, published in the ... -- in an apparent misguided attempt to heal perceived damage in the retina -- the growth of abnormal blood vessels that leak and damage delicate ...

Too Much Sun, Too Few Antioxidants Spell Eye Trouble

... City. Previous studies had suggested that blue light may damage the retina and set eyes on the path to developing AMD, a leading cause of vision loss ... and controlling blood pressure and cholesterol, added Kleinman, a retina specialist who studies macular degeneration. A second study in the same ...

The Hope Clinic in Charleston, SC invests in technology to prevent vision loss in patients

... solution developed by Digital Healthcare, can detect early damage to the retina caused by diabetes, glaucoma and other conditions. "Diabetic ... no dilation; it obtains exceptionally high-quality digital images of the retina using a simple-to-operate fundus camera; it returns results quickly to the ...

September Ophthalmology research highlights

... AMD and others with only one form. Increased age and pigment clumps in the retina were associated with the development of both CNV and GA . Current, but not ... area covered by drusen and the presence of lightly pigmented areas in the retina were associated only with progression to GA. These findings increase the ...

Keep Eyes Safely On The Ball

... to drain out of my eye." Noah later developed a cataract and a detached retina in his left eye; he subsequently underwent successful surgery to repair ... In spite of the fact that his traumatic cataract has been removed and his retina has been repaired, he now wears a contact lens and has some permanent ...

Photos: For the First Time Researchers Show Reversal of an Aging Marker in the Human Retina Correlated with Visual Improvement Using a Nutraceutical Matrix (Longevinex(R))

... The accumulation of cellular debris in the retina is believed to be the first sign of age-related macular degeneration, an ... tissues over time. About lipofuscin Dr. Richer explains that the retina of the eye begins to show signs of retinal aging, usually beginning in the ...

Revolutionary Therapy: Needle-Free Technology for the Treatment Of Blinding Eye Disease

... -- Age Related Macular Degeneration (AMD), a degenerative disease of the retina which affects one in seven people over the age of 50. The technology uses ... to send drugs through the outer layers of the eye and into the damaged retina at the back of the eye. It is painless, quick and can be done safely in ...

Diabetes Drug May Slow Eye Disease

... Use of rosiglitazone showed 59.5% reduced risk of retina damage MONDAY, June 9 (HealthDay News) -- The medication ... In proliferative diabetic retinopathy, existing blood vessels in the retina are blocked or damaged, resulting in the formation of new, tiny blood ...

ReachMD Launches New Series on GI Issues

... on ReachMD such as the American Medical Association, the American retina Foundation, and the University of Pennsylvania. G.I. Insights is ... of Allergy, Asthma and Immunology; National Lipid Association, American retina Foundation and University of Pennsylvania. To access ReachMD's original ...

Pilot Study to Assess Safety and Efficacy of Medidur(TM) FA in AMD Patients Treated With Lucentis(R)

... for wet AMD. AMD is a degenerative disease of the central portion of the retina (the macula) which typically occurs in patients over the age of 50. One ... a very low dose of fluocinolone acetonide, a corticosteroid, to the retina for up to three years as a treatment for diabetic macular edema (DME) in ...

MicroRNAs appear essential for retinal health

... immediate cell death in the retina. I was not expecting a normal-looking retina in terms of its form. It would be something like finding a perfectly ... disease genes. What weve done is target virtually all microRNAs in the retina by ablating Dicer, the core enzyme regulating their synthesis. The next ...

Scientists learn what's 'up' with a class of retinal cells in mice

... microscope, they all point the same way. Theres no other cell type in the retina that has that degree of directionality." The cells, like other retinal ... as well as work in Sanes's laboratory to identify and mark neurons in the retina using molecular tags. Recently, they tracked down a family of molecules ...

ScienceBased Health Appoints Anne L. Coleman, MD, PhD to Scientific Advisory Board

... MD, PhD, Associate Professor of Ophthalmology and Visual Sciences in the retina Division at the Moran Eye Center, University of Utah School of Medicine; ... Medical Group; Bert M. Glaser, MD, Executive Director, The National retina Institute; Paul S. Koch, MD, Medical Director of Koch Eye Associates; ...

Multiple Sclerosis Drug May Be Linked to Melanoma

... woman who also has multiple sclerosis developed melanoma in her retina after receiving several doses of Tysabri. She had a family history of melanoma and also had atypical moles on her body; the mole on her retina went back at least nine years. Although these are just two -- albeit ...

Photo: KFC Colonel Original and Look-a-Like Share Eye Treatment Success Story

... the 2007 Buckler Award at the annual meeting of the American Society of retina Specialists this month. To view the Multimedia News Release, go to: ... is represented by a gold-plated figurine statue holding an image of the retina of the eye, manufactured by R. S. Owens, which also manufacturers the ...
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(Date:7/31/2014)... ago, prestin was found to be a key gene responsible ... in the hair cells of the inner ear that contracts ... like an antique phonograph horn, amplify sound waves to make ... published in the advanced online edition of Molecular Biology ... prestin has also independently evolved to play a critical role ...
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