Articles tagged with Retinopathy
Researchers have found that an oral medication called Danegaptide can protect against vision-threatening damage in Non-Proliferative Diabetic Retinopathy (NPDR), a leading cause of blindness in working-age adults. The study highlights a new therapeutic approach that could replace or complement frequent, invasive eye injections for mill...
A team at the Hôpital ophtalmique Jules-Gonin recorded the retina's spontaneous electrical activity in patients with retinitis pigmentosa, revealing abnormal rhythms. The findings suggest that the retina is not as silent as previously thought and that measuring its activity could help guide sight-restoring therapies. The study's result...
Researchers developed a low-cost smartphone attachment to capture diagnostic-quality eye images, which can be reviewed remotely by ophthalmologists. Community health workers and remote ophthalmologists agreed on 96% of cataract diagnoses, challenging the assumption that specialist presence is necessary for accurate screening.
A three-year study found that posterior scleral reinforcement slowed macular fundus tessellation and preserved subfoveal choroidal thickness in children with progressive high myopia. The researchers suggest that PSR may help delay early myopic maculopathy-related changes, possibly through mechanisms beyond axial elongation.
A randomized clinical trial found that dexamethasone eye drops reduced the progression of retinopathy of prematurity to severe disease requiring invasive treatment in preterm infants. However, no differences in adverse events were observed.
Researchers tested cortisone eye drops to slow ROP progression in 100 premature babies. The intervention reduced treatment-requiring ROP by 47% compared to placebo.
A new study reveals that photoreceptors possess an internal recycling system that removes damaged proteins and maintains cellular health. This discovery has important implications for inherited retinal diseases and raises questions about the safety of certain drugs in clinical testing.
A team at Scripps Research has discovered that erucamide, a naturally occurring molecule, plays a key role in how the retina copes with disease. Restoring erucamide levels activates cellular responses that support retinal stability, slowing aspects of degeneration by preserving structure and function.
A University of Minnesota Medical School research team has been awarded a 4-year, $2.2 million grant to better understand the underlying causes of retinal diseases like age-related macular degeneration (AMD) and develop new treatments. The focus is on fibulin-3, an extracellular matrix protein that causes blinding eye diseases.
A novel treatment approach for diabetic macular edema has shown promise in reducing treatment burden and cost without compromising visual outcomes. The '1 + 1 + PRN' sequential regimen involves fewer injections, which may improve patient adherence and quality of life.
A University of Houston optometry researcher warns of the dangers of red-light laser myopia therapy for children, citing vision damage reports and the need for rigorous safety validation. The professor's quality improvement study found that two popular devices exceeded national standards for safety classifications.
A new global study finds that physical inactivity is a significant driver of diabetes complications, with up to 10% of cases potentially preventable. The research emphasizes the need for tailored approaches to promote physical activity among people with diabetes, particularly addressing social and gender inequalities.
A large-scale study found that patients taking tirzepatide had a significantly lower risk of developing new diabetic retinopathy or progressing to more severe stages. This suggests that the medication may not worsen eye health, offering relief for patients concerned about their vision.
A new study from the University of Oklahoma suggests that small genetic differences in two proteins may influence how their eyes develop, affecting the risk of retinopathy of prematurity (ROP). Researchers found four genetic variants specific to eye disease, with two protective and two increasing the risk. Early genetic testing could h...
Researchers at Ritsumeikan University have discovered that the loss of TRPM1 ion channels sets off a cascade of changes leading to persistent oscillations in the retina. This finding illuminates the cellular basis of congenital stationary night blindness and identifies a common mechanism underlying retinal degenerative conditions.
A team of researchers has developed an artificial retina model using 3D printing technology, which closely replicates the pathological microenvironment of retinal vein occlusion. The model exhibited responses similar to those observed in clinical cases, validating its potential as a preclinical drug evaluation system.
Researchers are testing whether low-concentrate atropine drops can delay the onset of myopia in children. The study aims to reduce the risk of sight-threatening complications later in life by decreasing how nearsighted someone becomes.
A new study published in Pharmaceutics found that semaglutide provides powerful protection against diabetic retinopathy, a condition that can lead to sight loss. The study suggests that GLP-1 receptor agonists enhance retinal cells' defences against damage in diabetes-like conditions.
A team of researchers has received funding to study the PRPH2 gene, crucial for normal vision, but when mutated causes a range of retinal diseases leading to blindness. They aim to uncover the underlying mechanisms of PRPH2-associated pathology to develop effective therapies.
A new imaging approach has simplified retina exams by eliminating the need for mechanical focusing, making fundus cameras more accessible. The system uses a diffuser to capture 3D light information and digitally refocus images after they are taken, producing consistent resolution of about 7-10 line pairs per millimeter.
Scientists at the University of Alabama at Birmingham created novel mouse models with mutations in the DHDDS gene to study retinitis pigmentosa (RP) 59, a genetic cause of blindness. The studies revealed that both T206A/K42E and K42E/K42E mouse models exhibited changes in retinal structure and function similar to human RP59 disease.
Kanishka Thiran Jayasundera has been appointed professor and chair of the Department of Ophthalmology and Vision Science at UC Davis Health. He is recognized for his research on retinal diseases and integrating mental health support with eye care.
A new route of delivering gene therapy is being explored, potentially reducing invasiveness and increasing accessibility. Researchers will test a novel approach on non-human primates, aiming to expand access to office-based treatments.
Researchers discovered a cancer signaling pathway's role in regulating the blood-retina barrier, potentially damaging protective mechanisms. The study also identified a new gene linked to inherited eye condition FEVR, highlighting the need for further investigation into vascular disorders.
A new study found that older people with diabetes who do not control their blood sugar levels are three times more likely to develop eye disease than those with controlled blood sugar levels. High glucose levels were also linked to an increased risk of glaucoma and macular degeneration.
A recent study published in The American Journal of Pathology has discovered that ADAM10 regulates abnormal blood vessel growth in the retina, which can cause vision loss or impairment. The findings suggest that targeting ADAM10 or its downstream effectors, such as Ephrin B2, may offer novel strategies for managing or preventing retina...
Researchers found that an inexpensive HIV drug can improve vision in patients with diabetic macular edema (DME) more effectively and at a lower cost than existing treatments. The drug, lamivudine, is taken orally and may represent a game-changing option for millions of patients worldwide.
A recent study by the University of Zurich examined the connection between retinal nerve connections and schizophrenia. The researchers found that individuals with a higher genetic risk for schizophrenia tend to have thinner retinas, which can be detected using non-invasive retinal measurements.
A new diagnostic method called flicker optoretinography (f-ORG) analyzes the retina's reaction to light, helping to detect danger before symptoms appear. The technique detects even minor changes in photoreceptors, providing valuable insights into retinal health.
A new genetic medicine has been developed to treat a rare genetic deficiency affecting the AIPL1 gene, causing severe retinal dystrophy. The treatment involves injecting healthy copies of the gene into the retina through keyhole surgery, resulting in dramatic improvements in sight for four young children.
Researchers found that time in safe blood-sugar range can predict diabetes complications as accurately as hemoglobin A1c levels. The study used advanced machine learning techniques to analyze landmark diabetes data from the DCCT trial.
A study reveals racial disparities in genetic detection rates for inherited retinal diseases, with lower rates observed in Black patients compared to white patients. The findings highlight the need for improved genetic testing and therapeutic development to address these disparities.
Researchers developed a novel noninvasive choroidal angiography method using deep learning, enabling layer-wise visualization and evaluation of choroidal vessels. The approach employs an advanced segmentation model to handle varying quality of OCT B-scans, offering a promising tool for clinical applications.
Researchers have discovered a gene responsible for some inherited retinal diseases, which damage the retina and threaten vision. The study identified the UBAP1L gene as a cause of different forms of retinal dystrophy, including maculopathy and cone-rod dystrophy, affecting central and night vision.
A UD researcher has received a $2.3M NIH grant to investigate inherited retinal diseases. The funding will support groundbreaking research that could lead to significant breakthroughs in understanding and addressing these conditions.
A case report describes a woman who experienced bilateral blurry vision after using hair dye with aromatic amines. The incident highlights the potential risk of retinopathy associated with certain hair dyes.
Researchers have introduced DSFN to improve the speed and accuracy of diagnoses of retinal disorders. This AI-powered medical imaging technique combines retina images with vascular distribution information to accurately locate the fovea in complex clinical scenarios, enabling doctors to detect early signs of ocular diseases.
Researchers at Case Western Reserve University will test a possible breakthrough drug for inherited retinal disease, which may prevent blindness in patients with various genetic mutations. The study aims to advance the technology to FDA-regulated clinical trials and potentially expand the application of the Bax-inhibiting therapeutic.
A team of researchers from Tokyo Medical and Dental University developed a novel kind of optical coherence tomography (OCT) to investigate the detailed structure of the sclera in living patients. They found that the sclera is divided into inner and outer layers with different structural arrangements, which can provide important insight...
Researchers at NIH developed a novel AI-based method called P-GAN to improve next-generation imaging of cells in the retina. The technique reduces imaging acquisition and processing time by 100-fold, yielding greater contrast and improving image quality.
A new AI technology has been developed to detect severe cases of retinopathy of prematurity (ROP) with 100% accuracy. The system analyzes retinal images and can identify blood vessel anomalies, enabling early treatment and potentially saving sight for thousands of premature infants globally.
A novel study has implicated granulocyte colony-stimulating factor (G-CSF) in both bronchopulmonary dysplasia and retinopathy of prematurity, making it a promising therapeutic candidate. G-CSF deficiency was shown to protect against these diseases, suggesting wide-ranging protection.
Researchers Reshmi Parameswaran and Carlos Subauste at Case Western Reserve University have received funding for their work on finding new treatments for B-cell cancer and diabetic retinopathy, a leading cause of blindness. They aim to develop more effective cell therapies and inhibitors to treat these diseases.
A new study by Anglia Ruskin University and University of Oxford highlights the lack of clinical research on severe sight impairment (SSI) among working-age individuals in the UK. The study finds that inherited retinal disorders, such as IRDs, are under-researched despite being a leading cause of SSI certifications in this population.
Researchers developed 'acoustic touch' smart glasses that translate visual information into distinct sound icons, enhancing the ability of blind or low-vision individuals to navigate their surroundings. The technology significantly improved object recognition and reaching abilities, empowering independence and quality of life.
Two SUNY College of Optometry PhD candidates, Seoyoung Kang and Daniel Larbi, received national awards for their groundbreaking research on retinal disease and regeneration. Their work has the potential to lead to new treatments for eye diseases.
A study at the University of Gothenburg found that preterm babies given a supplement with omega-3 and omega-6 fatty acids had improved visual function by age 2.5. The supplement also seemed to improve the brain's ability to interpret visual impressions.
Researchers at Ann & Robert H. Lurie Children's Hospital of Chicago have developed a non-invasive approach to predict retinopathy of prematurity (ROP) in premature infants. Nailbed capillaroscopy identifies high-risk patients, eliminating the need for invasive eye exams.
A deep learning AI model has been developed to screen for retinopathy of prematurity (ROP) in infants at risk of blindness. The tool was trained on images of newborns and found to be as effective as senior paediatric ophthalmologists in discriminating normal retinal images from those with ROP that could lead to blindness.
Research by State University of New York College of Optometry suggests that reading lacks diversity in visual inputs, potentially leading to myopia development. The study proposes a mechanism where sustained reading reduces activation of ON pathways, causing eye growth beyond its focus plane and blurring vision at far distances.
Researchers developed a new form of omega-3 fatty acid DHA that can cross into the retina, increasing retinal DHA content and preserving function. This approach overcomes previous barriers and shows promise for preventing Alzheimer's-related declines in visual function.
Researchers used UK Biobank image and genomic data to uncover insights into rare retinal dystrophies, a leading cause of blindness in working-age adults. The study identified new genetic associations with the thickness of photoreceptor cell layers, offering new avenues for research and diagnosis.
A large cohort study found that long-term low-dose hydroxychloroquine use is associated with a low risk of developing retinopathy, while higher doses increase the risk. Regular screening can identify the issue at an early stage.
A new study successfully introduces healthy photoreceptor cells derived from stem cells into the retinas of dogs, marking significant progress toward a cell-based therapy for blindness. The treatment enables cells to survive and form connections with existing retinal cells, paving the way for a regenerative medicine approach.
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 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.
New research from University of South Australia and Flinders University uses retina recordings to identify distinct signals for Attention Deficit Hyperactivity Disorder (ADHD) and Autism Spectrum Disorder (ASD), providing a potential biomarker for each condition. Children with ADHD showed higher overall energy, while those with ASD sho...
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 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.