Articles tagged with Eye Diseases
Studies suggest ophthalmologists should suspect visual variant Alzheimer's in patients with unusual or severe vision problems, particularly difficulty reading. Nearsighted individuals may be less susceptible to diabetic retinopathy due to reduced risks associated with longer axial length and deeper anterior eye chamber.
Gene therapy has been shown to improve vision in children with Leber congenital amaurosis, a severe form of inherited retinal degeneration. The treatment resulted in significant improvements in both subjective and objective measurements of vision.
Researchers transform adult eye cells into artificial stem cells without introducing foreign genetic materials, offering a promising approach to treat degenerative diseases such as Parkinson's and heart disease. This technique could facilitate autologous cell transplantation, bypassing ethical concerns with embryonic stem cells.
Researchers have developed two experimental treatments that restored some vision to people with blinding eye diseases. A retinal prosthesis and fetal tissue transplant showed promise in human studies, improving visual acuity in several individuals with retinitis pigmentosa and age-related macular degeneration.
Researchers at University of Toronto have discovered a previously unidentified form of circulation within the human eye, which may provide important new insights into glaucoma. The discovery overthrows the idea that the eye is an immune privileged site due to the lack of lymphatics.
Research highlights improved vision in type 1 diabetes patients, a link between macular degeneration and coronary heart disease, and the impact of vision on well-being across the lifespan. Effective treatments and better management of blood glucose levels contribute to the positive trend.
The 20/20 Network will focus on developing new biomaterials, medical devices, and drug delivery systems for treating vision disorders. Researchers aim to improve treatment of vision loss with products like composite materials, ocular microgels, and contact lenses.
A small study of 101 patients found that a one-minute eye movement exam performed at the bedside worked better than an MRI to distinguish new strokes from other less serious disorders. The quick and low-cost test caught more strokes than the current gold standard, suggesting a way to improve care and avoid high costs.
A study found that children in Ethiopia who received azithromycin for trachoma had a 49% lower odds of death compared to those who didn't receive the antibiotic. The treatment may have reduced mortality from pneumonia, diarrhea, and malaria, major causes of death in children in trachoma-endemic areas.
Resolvyx Pharmaceuticals announced positive Phase 2 clinical study results for RX-10045, a resolvin administered as a topical eye drop for treating patients with chronic dry eye syndrome. The 28-day trial showed dose-dependent improvements in symptoms and signs of dry eye.
Scientists have designed a painless microneedle patch that can deliver vaccines and medications through the skin, offering a potential solution to painful injections. The patch uses tiny 'microneedles' to improve treatment of diseases such as diabetes and macular degeneration.
Researchers found that elevated arginase levels contribute to vascular eye damage in diabetic retinopathy by reducing nitric oxide production. Normalizing arginase levels could potentially halt disease progression by preventing inflammation and vascular constriction.
The study uncovered the unlikely genetic suspect, FOXC1, which critically contributes to Dandy-Walker malformation, a brain defect causing mental retardation and motor delays. The discovery provides new mechanisms and potentially improves treatment for the disorder, offering insights into embryonic brain development.
Researchers are exploring the use of anti-growth factor drugs to treat children's eye diseases, offering a new tool in the fight against vision loss. However, specialists warn that these drugs may pose serious side effects, particularly in young patients.
Researchers at the Peninsula Medical School have received a £9,600 grant to continue studying the genetic causes of eye movement disorders. The team aims to identify genes that contribute to loss of eye movement in conditions like Duane syndrome.
Researchers at the University of Oklahoma Health Sciences Center discovered a natural compound that restores balance in the eye to stop diabetic retinopathy, a disease affecting five million Americans. The treatment prevents leakage, blocks inflammation, and stops unwanted blood vessel growth.
A treatment that significantly slows the progression of eye injury in people with type 1 diabetes has been found. The treatment uses an antihypertensive medication commonly prescribed to treat high blood pressure, and was shown to slow diabetic eye damage in over 65% of participants.
Researchers at LSU Health Sciences Center identified the 15-LOX-1 enzyme, which produces neuroprotectin D1, a molecule that protects retinal cells key to vision. This discovery has potential applications in treating retinal degenerative diseases and neurodegenerative conditions like Parkinson's disease.
Researchers have discovered a new target for the diagnosis and treatment of age-related macular degeneration by blocking the activity of the CCR3 protein. This approach shows promise as a safer and more effective alternative to current treatments, which target vascular endothelial growth factor (VEGF).
Researchers have demonstrated the long-term safety and efficacy of human embryonic stem cell-derived retinal pigment epithelium in animal models of eye diseases. The therapy has shown functional rescue in both RCS rat and Elov14 mouse, with sustained visual function without tumor formation or untoward pathological reactions.
Researchers at the University of New South Wales used a simple contact lens to rehabilitate damaged eye surfaces by cultivating patients' own stem cells. The procedure significantly improved sight within weeks and has potential applications in other organs.
A study estimates that approximately 1.68 million US men over 50 years old suffer from dry eye disease, which increases with age and is associated with high blood pressure and certain medications. The prevalence of the condition rises significantly among older men, particularly those aged 75 and above.
Researchers identify protein-protein interaction as a key factor in vision loss among people with genetic diseases, including Bardet-Biedl Syndrome. The study provides a blueprint for unraveling variations in other genetic diseases.
The LUMINATE trials demonstrate the ability of LX211 to significantly improve chronic eye inflammation in patients with uveitis. The study results also show a safety profile for LX211, allowing it to be suitable for chronic use as the first oral treatment for this sight-threatening inflammatory eye disease.
Age-related macular degeneration is projected to increase substantially by 2050, but new therapies may help mitigate its effects. Simulation modeling predicts that combining antioxidant vitamins for prevention and anti-VEGF and laser therapy can reduce the rate of visual impairment and blindness due to AMD from 0.73% to 0.48%.
Scientists at Schepens Eye Research Institute found that TGF-β helps maintain the health of blood vessels in the retina. The study's results suggest that blocking TGF-β can cause retinal dysfunction and lead to diseases like diabetic retinopathy and macular degeneration.
A new study from the University of Gothenburg suggests that tracking a preterm infant's weekly weight gain can identify those at risk of developing eye disease ROP. The simple method could save money and allow for earlier detection, reducing the need for costly ophthalmological exams.
Four young researchers under 45 received the 2009 ARVO-AFER/Merck Innovative Ophthalmology Research Award for their groundbreaking research on glaucoma and back-of-the-eye diseases. The award recognizes outstanding investigative work that could lead to meaningful improvements in patients' lives.
Researchers have successfully interrupted the transmission of river blindness in Escuintla, Guatemala, one of the largest endemic areas in the Western Hemisphere. This achievement marks an important victory in the campaign to eliminate the devastating disease, with eight out of 13 endemic study areas having already ended transmission.
Dr. Roberta A. Pagon, a renowned medical geneticist, has received the March of Dimes/Colonel Harland Sanders Award for her groundbreaking work in developing the public database genetests.org, which helps doctors analyze genetic tests for making informed medical decisions.
Researchers at Florida State University have identified a mutated gene in zebrafish that determines the development of photoreceptors, which could provide new insight into inherited retinal diseases in humans. The study, published in PNAS, reveals the genetic switch responsible for cells developing as rods or cones.
A Queen's University study has expanded eye-movement tests to identify children with Fetal Alcohol Spectrum Disorder (FASD) in community settings, with over 200 children tested across Ontario and Alberta. The breakthrough will add eye movement testing to standard clinical assessment protocols.
The number of Americans with diabetic retinopathy is projected to triple by 2050, while cataracts will increase by 235% and glaucoma among elderly Hispanic individuals will increase 12-fold. Ophthalmologists must collaborate with other clinicians to help patients control their diabetes before eye complications worsen.
The school has received a record-breaking $1 million grant, including three individual awards totaling up to $925,000. The grants will support research into age-related macular degeneration, rhodopsin structure and function, and the pathogenesis of cataract and diabetic retinopathy.
A genetic link has been identified between cats and humans for two forms of retinitis pigmentosa, a disease causing blindness. Researchers found that cats with specific mutations can be used to test the efficiency of gene therapy for both humans and animals.
Researchers have imaged the nearly invisible layer of retinal pigment epithelial cells in a living eye, which could help diagnose macular degeneration at an early stage. This breakthrough technique uses fluorescent chemicals produced by the cells to detect potential disease before symptoms appear.
Age-related Macular Degeneration (AMD) can be slowed down with a balanced diet high in micronutrients, vitamins and antioxidants. Increasing fruit and vegetable intake could add up to 20% extra time for AMD sufferers before degeneration sets in.
Researchers at Cardiff University are making discoveries about the eye using X-ray scattering techniques at Diamond Light Source, shedding light on keratoconus and its effects. The study aims to advance laser surgeries like LASIK and develop artificial corneas to improve the quality of life for those affected by serious eye diseases.
Researchers found little evidence that cataract surgery accelerates age-related macular degeneration (AMD) progression. The study also explored how people assess age and fatigue through gaze patterns, revealing the eye region as a key area of focus.
Researchers found that vascular endothelial growth factor (VEGF) and intercellular adhesion molecule (ICAM)-1 are key players in the development of diabetic macular edema (DME), a serious complication of retinopathy. The study suggests that intravitreal injection of steroids like triamcinolone acetonide may be useful in treating DME.
Researchers found that statin use is linked to rare eye disorders in some patients, including double vision, drooping eyelids, and loss of eye range of motion. A new system, the ocular trauma score, helps predict visual recovery for soldiers with combat eye injuries.
Researchers developed a new technique called Topical Endoscopic Fundal Imaging (TEFI) to monitor ocular inflammation in mice. The study found that TEFI enhances the monitoring of clinical disease, allowing for rapid and non-invasive observation of changes in the retina.
Researchers are exploring new techniques to combat visual impairment and blindness by delivering drugs through the eye. Alternative methods such as microneedles, nanoparticles and polymer carriers are being investigated to improve drug delivery and reduce side effects.
A clinical study presented at the AAO-SOE Joint Meeting shows that anti-VEGF therapy can effectively treat retinopathy of prematurity in premature infants, resolving abnormal blood vessels and promoting normal retinal vessel growth. The treatment has been found to be rapid, effective, and simpler than existing laser treatments.
A study found that interleukin-6, a biochemical marker in the blood, is significantly higher in patients with age-related macular degeneration (AMD) and correlates with oxidative stress. Additionally, collagen crosslinking treatment has shown promising results in stabilizing keratoconus patients' vision.
Researchers at Mayo Clinic have identified associations between obstructive sleep apnea (OSA) and various eye diseases, including primary open-angle glaucoma, normal-tension glaucoma, flopsy eyelid syndrome, nonarteritic anterior ischemic optic neuropathy, and papilledema. Early diagnosis and treatment are crucial for patients with OSA.
A population-based study of Type 1 diabetes patients found that better glycemic control reduces diabetic retinopathy progression. Additionally, a cohort study on age-related macular degeneration (AMD) discovered an association between poor night vision and increased risk of AMD progression.
A new laboratory-engineered mouse model shows slowed AMD progression with retinylamine treatment, providing biochemical evidence for a potential therapeutic intervention. Researchers aim to prevent rapid eye degeneration and slow disease advancement.
A large-scale study of preschool children's visual acuity found a commonly-used test to be inaccurate, while major studies on contact lens infections revealed that proper use and care are more important than new lens types. These findings will help eye specialists and wearers make better choices and improve practices.
A recent study by the American Academy of Ophthalmology found that 12% of ophthalmologists use electronic health records, with positive outcomes including increased productivity and cost savings. Researchers also identified factors predicting risk of progression from early to advanced age-related macular degeneration.
Researchers have discovered a genetic mutation that offers protection against age-related macular degeneration (AMD), a leading cause of blindness in adults over 50. The study identifies a functional link between toll-like receptor 3 (TLR3) and geographic atrophy, a type of dry AMD.
A protein complex regulating primary cilia formation has been identified by NYU researchers. The complex involves three proteins: CEP290, CP110, and Rab8a, which work together to promote cilia formation on mature cells. This discovery may lead to new drug targets for diseases such as polycystic kidney disease, retinal degeneration, and...
Regeneron's ARCALYST (rilonacept) has been shown to effectively manage symptoms of Cryopyrin-Associated Periodic Syndromes (CAPS), a rare inherited disease. The treatment demonstrated an 84% improvement in overall symptom scores and high patient response rates.
A study found that Americans with health insurance are equally likely to access eye care as Canadians, while those without insurance visit less often. Individuals with higher incomes and optional vision insurance tend to use eye care services more frequently.
A novel mutation in the nephronophthisis 4 (NPHP4) gene has been identified as a potential cause of cone-rod dystrophy in standard wire-haired dachshunds. This discovery raises hopes for developing treatments for humans with similar eye disorders.
Hispanic patients with diabetes are less likely to receive eye exams and are often unaware of the ocular complications of diabetes. The study found that nearly half of those with diabetes for more than a year had never had a dilated eye exam.
A new vision screening device can detect metabolic stress in the retina, potentially identifying diabetes early. The instrument measures flavoprotein autofluorescence (FA) activity to detect abnormal metabolism and tissue damage.
Patients with diabetes who take rosiglitazone may be less likely to develop proliferative diabetic retinopathy or experience visual acuity loss. The medication delays the formation of new blood vessels and preserves vision.
Trachoma causes blindness in 84 million people worldwide, but progress has been made since 1995 with a decline from 15% to 4% of global blindness. The SAFE strategy's success is attributed to improved socioeconomic conditions and widespread implementation.
A new study found strong evidence for a genetic marker on chromosome 5 linked to nearsightedness, which explains 80% of axial length variations. The research also highlights the importance of using vitamins and minerals correctly to prevent AMD vision loss in patients.