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Medical Xpress Ophthalmology News Feed

  • Researchers find drug used widely to treat eye condition has 'no benefit'Researchers find drug used widely to treat eye condition has 'no benefit'
    Researchers from the University of Bristol and University Hospital Southampton have found that a drug used widely to treat a common eye condition has "no benefit" and should no longer be used. Eplerenone, which is primarily used to treat heart failure, is currently offered widely by ophthalmologists as a treatment for central serous chorioretinopathy (CSCR) based on limited clinical data. Read more »
  • Potential way to halt blinding macular degeneration identifiedPotential way to halt blinding macular degeneration identified
    Researchers have successfully treated age-related macular degeneration (AMD) in mice after finding an unexpected link between the two main forms of the blinding eye disease, the leading cause of vision loss in people 60 and older. Read more »
  • Light at the end of the tunnel for most individuals with low-visionLight at the end of the tunnel for most individuals with low-vision
    Progress in research and technology is giving rise to an optimistic future for compensation and restoration of low vision, according to research in a special issue of Restorative Neurology and Neuroscience, published by IOS Press. Seven studies explore different aspects of vision loss after damage to the retina, optic nerve or brain due to diseases such as glaucoma or optic neuropathy. Remarkable progress is being made to treat conditions of partial blindness that have previously been considered irreversible. Read more »
  • Scientists develop test that will help prevent glaucoma-related blindnessScientists develop test that will help prevent glaucoma-related blindness
    Australian researchers have identified 107 genes that increase a person's risk of developing the eye disease glaucoma, and developed a genetic test to detect those at risk of going blind from it. Read more »
  • Research suggests expanding amblyopia treatment approachesResearch suggests expanding amblyopia treatment approaches
    When University of California, Irvine neurobiologist Carey Y.L. Huh, Ph.D., set her sights on discovering more about amblyopia, she brought personal insight to her quest. As a child, Huh was diagnosed with the condition, which is often called "lazy eye." Read more »
  • Faster, cheaper tests for myopia in sightFaster, cheaper tests for myopia in sight
    The world's most common vision problem myopia or short/near sightedness, which causes damage to the eye and even blindness, just got easier to assess. Read more »
  • Brain pressure controls eye pressure, revealing new avenues for glaucoma treatmentBrain pressure controls eye pressure, revealing new avenues for glaucoma treatment
    Researchers at the University of South Florida (USF) have discovered a novel feedback pathway from the brain to the eye that modulates eye pressure—a significant advancement in the effort to diagnose and treat glaucoma. Glaucoma is associated with increased pressure in the eye due to a reduce ability of the eye to maintain proper fluid drainage. The heightened pressure applies mechanical strain to the optic nerve as the nerve exits the eye, resulting in vision loss and potential blindness. Read more »
  • Scientists show that the eyes can measure hearingScientists show that the eyes can measure hearing
    In 1998, University of Oregon researcher Avinash Singh Bala was working with barn owls in an Institute of Neuroscience lab when the birds' eyes caught his attention. Read more »
  • Combining natural and artificial vision to treat a common form of blindnessCombining natural and artificial vision to treat a common form of blindness
    Macular degeneration (AMD) causes blindness in millions of people in the Western world. It is the most common cause of severe vision loss among those aged 50 and over, and its prevalence increases with age. Though there is no cure for AMD, recent advances in artificial retina implants may lead to effective treatment. Read more »
  • Poor sight causes people to overstep the markPoor sight causes people to overstep the mark
    People with vision impairment are more cautious when stepping over obstacles when walking—but increase their risk of falls, according to a new study published in the journal Scientific Reports. Read more »
  • Study finds association between poor diet, age-related macular degenerationStudy finds association between poor diet, age-related macular degeneration
    Participants who ate a diet high in red and processed meat, fried food, refined grains and high-fat dairy were three times more likely to develop an eye condition that damages the retina and affects a person's central vision, according to the results of a study from the University at Buffalo. Read more »
  • Research group discovers role of two proteins in sight and preventing blinding eye diseasesResearch group discovers role of two proteins in sight and preventing blinding eye diseases
    Research led by Nicolas Bazan, MD, Ph.D., Boyd Professor and Director of the Neuroscience Center of Excellence at LSU Health New Orleans School of Medicine, has discovered unique patterns of genetic activity that may lead to the development of blinding retinal diseases. The results are published online in the Federation of American Societies for Experimental Biology (FASEB) journal, BioAdvances. Read more »
  • Helper protein worsens diabetic eye diseaseHelper protein worsens diabetic eye disease
    In a recent study using mice, lab-grown human retinal cells and patient samples, Johns Hopkins Medicine scientists say they found evidence of a new pathway that may contribute to degeneration of the light sensitive tissue at the back of the eye. The findings, they conclude, bring scientists a step closer to developing new drugs for a central vision-destroying complication of diabetes that affects an estimated 750,000 Americans. Read more »
  • Air pollution linked to higher glaucoma riskAir pollution linked to higher glaucoma risk
    Living in a more polluted area is associated with a greater likelihood of having glaucoma, a debilitating eye condition that can cause blindness, finds a new UCL-led study in the UK. Read more »
  • Beauty in the biased eye of the beholderBeauty in the biased eye of the beholder
    When we pass through an art gallery, what determines our idea of beauty? A University of Sydney study of how people rate the aesthetics of each artwork shows part of our aesthetic assessment is due to the painting you saw a few moments before. Read more »
  • Researchers take first step toward genetic test for childhood short-sightednessResearchers take first step toward genetic test for childhood short-sightedness
    Researchers from the Universities of Cardiff and Bristol have devised a test that could in future help to identify children at risk of developing a very common eye condition. Read more »
  • Treatment for leading cause of blindness generates billions in value to societyTreatment for leading cause of blindness generates billions in value to society
    Researchers at the University of Southern California have developed an economic model to quantify the benefits of treatment for wet age-related macular degeneration (wAMD), the leading cause of blindness in western countries. Their work signals a step forward in the way ophthalmologists audit their practices to define the worth of modern treatments both to patients and society at large. Read more »
  • Age related macular degeneration to affect 77 million Europeans by 2050Age related macular degeneration to affect 77 million Europeans by 2050
    The leading cause of irreversible blindness and severely impaired eyesight—age related macular degeneration, or AMD for short—is expected to affect 77 million Europeans by 2050, reveal the latest calculations, published online in the British Journal of Ophthalmology. Read more »
  • Researchers find link between eye disease and degeneration of the brainResearchers find link between eye disease and degeneration of the brain
    A global research team led by scientists from Singapore and the United States has discovered new evidence that there is an underlying link between degeneration of the eye and brain. They found that genetic variation at a beta-amyloid gene was significantly associated with increased risk of Primary Open Angle Glaucoma (POAG), the most common form of glaucoma and the leading cause of irreversible blindness worldwide. The association was identified specifically in people with African ancestry. The high-risk variant was common… Read more »
  • Zooming into cilia sheds light into blinding diseasesZooming into cilia sheds light into blinding diseases
    A new study published today by researchers from Baylor College of Medicine and UT Health's McGovern Medical School in the Proceedings of the National Academy of Sciences reveals an unprecedented close-up view of cilia linked to blindness. Cilia are short hair-like structures found on the surface of certain cells. They are particularly important in vision because they work as light sensors and defects in their structure can lead to retinal degeneration and loss of vision. Studying cilia structural alterations has… Read more »
  • Eye damage linked to popular over-the-counter vitamin that lowers cholesterol can be reversedEye damage linked to popular over-the-counter vitamin that lowers cholesterol can be reversed
    In a first-of-its-kind clinical report, retina specialists at the New York Eye and Ear Infirmary of Mount Sinai (NYEE) have shown that severe vision loss from a self-prescribed high dose of over-the-counter niacin is linked to injury of a specific cell type in a patient's eye. The experts report that discontinuing the vitamin led to reversal of the condition and have published their findings in the fall issue of Journal of VitreoRetinal Diseases. Read more »
  • Discovery in monkeys could lead to treatment for blindness-causing syndromeDiscovery in monkeys could lead to treatment for blindness-causing syndrome
    A genetic mutation that leads to a rare, but devastating blindness-causing syndrome has been discovered in monkeys for the first time. The finding offers a promising way to develop gene and cell therapies that could treat the condition in people. Read more »
  • Researchers find cells linked to leading cause of blindness in elderlyResearchers find cells linked to leading cause of blindness in elderly
    Age-related macular degeneration is one of the leading causes of blindness in the elderly, affecting more than 2 million people in the United States and leading to progressive loss of central vision. Genome wide studies have identified almost three dozen genes that play a role in the disease, but exactly where in the eye they inflict damage was not well known. Read more »
  • Antibody-based eye drops show promise for treating dry eye diseaseAntibody-based eye drops show promise for treating dry eye disease
    Researchers at the University of Illinois at Chicago are the first to identify the presence of a specific type of antibody, called anti-citrullinated protein autoantibodies, or ACPAs, in human tear fluid. They are also the first to demonstrate that patients with dry eye disease experienced reduced signs and symptoms of the condition in response to a new eye drop treatment —- made from pooled human antibodies—that targets ACPAs. Read more »
  • App can detect 'white eye' in children's photos to spot possible problemsApp can detect 'white eye' in children's photos to spot possible problems
    A team of researchers from Baylor University, with assistance from staff at the Massachusetts Eye and Ear Infirmary, Harvard Medical School and the Dana-Farber Cancer Institute has developed and tested a smartphone app that is able to detect "white eye" in children by analyzing stored photographs. In their paper published in the journal Science Advances, the group describes how the app was developed and tested, and how well it works. Read more »
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