Articles tagged with Eye Diseases
A study of over 26,000 eye care professionals found that those receiving small financial incentives from pharmaceutical companies are up to twice as likely to prescribe brand-name eyedrops for glaucoma. The researchers suggest that frequent exposure to positive messaging about a drug may influence this tendency.
A bioengineered cornea made from collagen protein can restore vision in people with diseased corneas, offering an alternative to donated human corneas. The implant has been shown to be safe and effective in a pilot study, with patients regaining perfect vision after two years.
Researchers at HKUMed & CityU discover that transcorneal electrical stimulation can alleviate depression-like symptoms and improve cognitive function in animal models. The technique also induced the expression of genes involved in brain cell growth, offering a potential new treatment for Alzheimer's disease.
Researchers at NIH have developed a 3D structure of the twinkle protein, which helps identify mutations that cause mitochondrial diseases. The discovery could lead to targeted treatments for patients with conditions like progressive external ophthalmoplegia and Perrault syndrome.
Researchers developed a non-invasive ocular imaging method to detect flavoprotein fluorescence in the eye, indicating mitochondrial oxidative stress. This technique may predict glaucoma progression earlier than current methods, with similar sensitivity to visual field changes.
The ISM Annual Meeting highlights new topics in oral, vaginal, skin, and gut microbiota, as well as their metabolites and potential implications in diseases like cancer, depression, and stroke. The meeting aims to explore the mechanism behind microbiota efficacy and its potential application in precision medicine.
Researchers have found correlations between retina and brain structures altered in Alzheimer's disease in healthy subjects at risk. These findings suggest the retina may provide information on brain state and changes, paving the way for new diagnostic tools.
Scientists reprogrammed stem cells to create models of diseased eye cells, analyzing DNA, RNA, and proteins to pinpoint genetic signatures. The study identified 439 molecular signatures associated with AMD, including potential new gene variants that target mitochondrial proteins.
A new study found that Black patients are six times more likely to have advanced vision loss after a glaucoma diagnosis, highlighting the need for early eye screening in this population. The research analyzed nearly 210,000 participants and used artificial intelligence to identify visual field loss patterns.
A recent study found that patients vividly remember the way they were told they had their condition, which affects their perception of vision loss and interactions with others. Clinicians should consider empathetic communication when delivering bad news to minimize long-term psychological impact.
A new study may help develop therapies to slow vision loss in pigmentary retinopathy by understanding how the visual system adapts to photoreceptor death. The research found that the visual pathway becomes hyperactive during early RP, which could lead to therapeutic protection and restoration of vision.
Researchers developed a nanomembrane system called iTEARS that can quickly analyze tears for disease biomarkers. The system enables more efficient and less invasive molecular diagnoses for various diseases, including dry eye disease and diabetic retinopathy.
Researchers at Cornell University found connections between the brain's olfactory pathway and visual cortex in dogs, showing that olfaction is integrated with vision in terms of learning about the environment. This study corroborates clinical experiences with blind dogs who function remarkably well despite their condition.
Research from the University of Georgia suggests that a diet rich in bright-colored fruits and vegetables, particularly those high in lutein and zeaxanthin, can help prevent visual and cognitive loss in women. This is due to the antioxidant properties of these carotenoids, which have been shown to improve central nervous system degener...
Children born to mothers with polycystic ovary syndrome (PCOS) are at a higher risk of developing infections, allergies, and other childhood illnesses by age 13. The study found that children of mothers with PCOS were 32% more likely to be admitted to hospital for various health problems.
A low-cost device can capture 3D images of the retina, cornea, and back of the eye, revolutionizing eye screening and treatment globally. The technology has the potential to detect eye diseases like glaucoma and improve patient care.
Researchers identified Srrm3 as a master regulator gene for photoreceptor cells in the retina, which is critical for visual function. The study found that misregulation of alternative splicing and microexons can lead to devastating health impacts, including vision loss.
A study found that patients with a specific form of age-related macular degeneration are at significant risk for cardiovascular disease and stroke. Researchers discovered a strong association between the disorder's subretinal drusenoid deposits and high-risk vascular diseases.
The new human cell line, ABC, was developed from retinal pigment epithelial cells and retains their properties, allowing for the study of events relevant to normal repair processes. The research may lead to discoveries in senescence gene programming, neuroprotection, and cellular replacement therapies for blinding eye diseases
Researchers at A*STAR's Institute of Molecular and Cell Biology developed a bio-functional thermogel that prevents retinal scarring in pre-clinical models. The thermogel modulates cellular behavior to prevent scar membrane formation, offering a novel therapy for proliferative vitreoretinopathy.
Researchers found a protein in eye fluid linked to disease progression in patients with wet age-related macular degeneration. Measuring its levels can accurately predict treatment needs, allowing for safe reduction or cessation of therapies.
A new deep learning model can accurately identify disease-related features from images of eyes, even in low-quality images. The lightweight model is deployable on mobile devices and has better segmentation accuracy than other commercial software.
Chronic kidney disease and glaucoma have been found to share common risk factors such as diabetes and hypertension, leading to a higher risk of developing both conditions. The study also reveals that patients with glaucoma are more likely to develop chronic kidney disease over time.
Researchers found that retinal cells are more susceptible to Ebola virus infection than iris cells, which could lead to uveitis diagnosis and treatment. This discovery highlights the importance of monitoring retinal cells during acute viral infections to identify patients at high risk.
A team from UNIGE has identified a molecular mechanism that causes degeneration of photoreceptors in retinitis pigmentosa, a genetic disease leading to blindness. The discovery could lead to therapeutic treatments targeting this mechanism.
Researchers have developed a new protocol for differentiating human embryonic stem cells into retinal pigment epithelial (RPE) cells, which can be used to treat age-related macular degeneration. The study shows that the protocol produces a pure population of RPE cells that can continue maturing after transplantation, paving the way for...
Researchers at the National Eye Institute have discovered a novel genetic eye disease, a type of macular dystrophy that affects central vision. The disease is linked to mutations in the TIMP3 gene, which regulates retinal blood flow and is secreted from the retinal pigment epithelium.
Researchers used stem-cell models to uncover hidden genetic markers of glaucoma, a leading cause of permanent blindness. The study identified 312 genetic variants associated with retinal cells and 97 genetic clusters linked to damage caused by glaucoma.
The 24th International Conference on Oxidative Stress Reduction, Redox Homeostasis & Antioxidants, shed light on the latest redox field innovations and the future of redox medicine. Keynote speaker Prof. Helmut Sies discussed stringently selective modulation of enzymatic oxidant sources and sinks in redox nanomedicine.
Researchers investigated the effects of treatment with exogenous Humanin G on inflammation markers in AMD and normal retinal cells. The study found reduced levels of inflammatory proteins in AMD plasma and treated cybrids, highlighting the positive effects of Humanin G.
Researchers at West Virginia University are studying the mechanisms behind Alzheimer's disease and PTSD, using animal models to investigate how stressful events affect brain cells. They aim to understand the role of estrogen and high-cholesterol diet in developing the disease.
A groundbreaking study has discovered that the cornea produces a delicate immune response to fight viral infections without damaging vision. Long-living memory T cells have been found patrolling and fighting viral infections in the cornea, upending previous thought on T cell presence in healthy corneas.
Academic researchers will present newest discoveries on redox in aging, immunity, ocular disorders, and fertility. The conference highlights the mechanisms of redox control like Nrf2 signaling pathway.
Researchers revived photoreceptor cells in human macula, responding to bright and dim lights. The study restores communication between retinal cells, transforming brain and vision research.
A new study maps the distinct differences among cells in the retina's retinal pigment epithelium (RPE), which nourishes and supports photoreceptors. The research identifies five subpopulations with varying levels of disease sensitivity, opening doors to more precise cell and gene therapies for specific degenerative eye diseases.
Scientists at Osaka University created 3D human stem cell-derived lacrimal gland organoids that mimic the human tear duct. The organoids exhibited organization and branching patterns characteristic of the human lacrimal gland, demonstrating potential as a platform for regenerative therapies for dry eye syndrome.
The new COBRE grant will help WVU recruit researchers and clinician-scientists to develop innovative solutions for preventing and treating incurable vision problems. The project aims to reduce visual disparities in West Virginia by understanding the complex combination of factors that contribute to these problems.
A recent study published in Stem Cell Reports found that sleep deprivation negatively affects corneal stem cells, leading to increased rates of cell multiplication and reduced tear film antioxidants. This can result in serious effects on corneal health, such as thinning and ruffling of the cornea.
Researchers have developed a non-invasive imaging method to examine conjunctival goblet cells (CGCs) in live rabbit eyes, which are similar to human eyes. The study found that CGC density decreased with dry eye disease (DED) and recovered over time.
A new study by USC researchers uses focused ultrasound technology to stimulate the retina of blind rats, demonstrating the potential for a non-surgical solution to restore sight. The technology generates sound waves that activate neurons and send signals to the brain, bypassing traditional light-based stimulation.
Conjunctival goblet cells play a crucial role in tear film stability, and their dysfunction is linked to various ocular surface diseases. A new microscopy system allows for non-invasive examination of CGCs in live animal models and humans, enabling precise diagnosis and treatment of ocular surface diseases.
A study published in Ophthalmology identified the genetic spectrum behind foveal hypoplasia, a rare condition affecting vision development. The research combined data from over 900 cases across the globe and revealed relationships between genetic defects and the degree of arrested foveal development.
A new collaboration between UW Oshkosh and Fauna Bio aims to translate animal disease resistance into human treatments. The partnership will enable researchers to study emerging animal models, such as the 13-lined ground squirrel, to develop novel therapeutic programs.
A new University of Houston study finds racial and ethnic disparities in diabetic eye care, with Whites more likely to receive regular exams than minorities. The study also reveals that Hispanics have the highest prevalence of diabetic eye complications.
Researchers detect Sars-CoV-2 mRNA in human retina organoids, indicating infection of retinal cells. The virus also replicates in these cell types, with implications for 'Long Covid' pathologies.
Researchers developed a new OCT method called Spatio-Temporal Optical Coherence Tomography (STOC-T) to improve the accuracy of eye disease diagnoses. This method uses multimode optical fibers to reduce noise, enabling clearer images of the choroid and other vital parts of the eye.
Researchers have developed a gene therapy that restores night vision in dogs with congenital stationary night blindness (CSNB), a condition affecting the ON bipolar cells. The treatment enables dogs to navigate mazes in dim light and has a lasting therapeutic effect, paving the way for potential human treatments.
A study found that telemedicine and community screening for diabetic retinopathy are highly cost-effective in rural and urban China. The results suggest that adopting telemedicine screening programs at the national primary care level is economically reasonable.
Researchers at UC Berkeley discover that Antabuse helps improve sight in mice with retinal degeneration by reducing hyperactive retinal cells. The treatment may one day lead to better therapies for humans with inherited diseases like retinitis pigmentosa.
Researchers discovered that fusing Müller glia with adult stem cells can differentiate into ganglion cells, a type of neuron essential for vision. This finding brings hope for recovering the retina's regenerative capacity in humans.
AAVMC awards Dr. Barry T. Rouse with the Excellence in Research Award for his outstanding contributions to viral immunology and immunopathology research. With over $20 million in NIH funding, he has published more than 425 papers and mentored almost 80 post-doctoral fellows.
A new peer-reviewed study confirms MiSight 1 day contact lenses slow eye growth and halt myopia progression in 90% of children, with no loss of effectiveness over time. The longest-running soft contact lens study among children demonstrates sustained efficacy for nearly all children, regardless of age or initial refractive error.
A recent study published in JAMA Ophthalmology found that depression is associated with more severe dry eye disease symptoms and overall signs. The analysis of data from a randomized clinical trial revealed this significant connection among 535 participants.
Researchers developed smart contact lenses that emit far-red light to treat diabetic retinopathy. The study showed the lenses prevented retinopathy in diabetic animal models, demonstrating their safety and effectiveness.
A study led by Kyoto University researchers found that modulating hormone levels can improve meibomian gland disorder, a common cause of dry eyes. Topical administration of nicotinamide mononucleotide (NMN) boosted NAD levels and rebooted 3-HSD activity in mutant mice, alleviating dryness.
Researchers found that mitochondria act as microlenses to focus light on outer segments where it's converted into nerve signals, shedding new light on the retina's optical properties. This discovery has potential clinical implications for detecting retinal diseases.
A new study published in The Lancet Planetary Health found that improved eye health services are associated with moving closer to achieving seven SDGs. Multiple direct connections were discovered between eye health services and increased productivity, household expenditure, income, education, and equality.
Researchers from Trinity College Dublin have pinpointed a key driver gene, SARM1, that contributes to impaired vision and blindness. Deleting this gene shows promise in preserving vision, suggesting targeted therapies may offer long-lasting preservation of sight for various ocular conditions.
Researchers developed a method to diagnose atherosclerosis using self-learning software and eye photos. The algorithm accurately identified vascular changes in patients with peripheral arterial disease, even in early stages without symptoms.
A new study will focus on the biological mechanisms causing cataracts, potentially leading to new treatments. The research team, led by Nicholas Delamere, PhD, will investigate the role of protein ion channels TRPV1 and TRPV4 in age-related lens cell changes.