Articles tagged with Glaucoma
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Researchers found that sleeping without pillows can lower harmful high internal eye pressure in people with glaucoma. The study suggests that stacking pillows alter neck position, which compresses the jugular vein and prevents natural drainage of aqueous humor.
Researchers at Waseda University have developed an integrated smart contact lens that enables real-time intraocular pressure monitoring for early glaucoma diagnosis. The device leverages parity-time symmetry for ultra-sensitive wireless detection, increasing sensitivity by a factor of 183.
A WVU research team is working to restore vision in people with inherited blindness due to genetic mutations in the Prominin1 gene. The team has observed encouraging early results using a mouse model and plans to investigate the therapy's effectiveness beyond initial restoration.
Researchers have identified a metabolically sensitive cell subtype in the eye's drainage system that shows early signs of dysfunction in a genetic mouse model of glaucoma. The study provides what the editors say are fundamental findings highlighting a potential therapeutic strategy for preventing or slowing the development of glaucoma.
A new study estimates that over 1.6 million people in the UK will be living with glaucoma by 2060, with nearly 50% higher prevalence than previous estimates. The researchers call for expanded eye health services and increased awareness campaigns to detect early cases and prevent vision loss.
Glaucoma cases in the UK are already higher than expected and will continue to rise due to an aging population and growing ethnic diversity. By 2060, an estimated 1.6 million people will live with glaucoma, with a 60% increase from 2025 figures.
A new study from Nagoya University in Japan has found that petrolatum-based eye ointments can cause MicroShunt glaucoma implants to swell and potentially rupture. The study suggests that clinicians should avoid using these ointments on patients with the implant, particularly when it is exposed outside the conjunctiva.
Researchers discovered that SUMO E1 enzyme activity drives lens fibrosis, while its inhibition with ML792 disrupts SMAD4 SUMOylation and subsequent TGFβ2-induced fibrotic transformation. This study establishes a novel SUMOylation-SMAD4 regulatory axis in ocular fibrosis.
This comprehensive volume provides detailed protocols for studying glaucoma disease mechanisms, drug formulation, and cutting-edge tools. It covers molecular biology, pharmacology, and histological approaches to support scientists in ophthalmic drug discovery and translational research.
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 study found that more than half of the general population in the USA and Europe experience dry eyes, with only 20% of European patients and 17% of US patients receiving a diagnosis. The delay in seeking treatment is concerning, as early intervention can prevent inflammation and worsening symptoms.
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.
Cornell researchers develop 3D eye-on-a-chip model that mimics ocular fluid flow, revealing the signaling mechanism behind steroid-induced glaucoma. The team identified ALK5 receptor's role in downregulating VEGFC, which impairs drainage and increases intraocular pressure.
Glaucoma is a leading cause of vision loss, with over 7.7 million people globally affected in 2020. The new microstent reduces excessive fluid buildup and intraocular pressure, supporting the eye's natural space and improving treatment efficacy. Its durable nickel-titanium alloy enables long-term safety and functionality.
Researchers from the National Institute of Physiological Sciences evaluated the impact of denoising algorithms on dMRI data for detecting tissue abnormalities in glaucoma. They found that denoising increased signal-to-noise ratio and altered image appearance, but had limited effect on disease-related changes.
Researchers have established apple snails as a system to study eye regeneration, which may hold the key for restoring vision due to damage and disease. The team discovered that the snail eye is anatomically similar to humans and can regrow itself, with genes such as pax6 playing a crucial role in development.
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.
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 found that mildly elevated eye pressure can distort blood vessels and lead to oxygen deficit in the eye. Researchers used 3D modeling and fluorescent dye to investigate how ocular hypertension affects the eye, revealing a potential new method for diagnosing glaucoma earlier.
Researchers found that supplements of B vitamins B6, B9, and B12, as well as choline, slowed down damage to the optic nerve in glaucoma. This was observed in experiments on mice and rats with glaucoma, where eye pressure was left untreated.
A retrospective study found that using pilocarpine eye drops post-goniotomy surgery improves surgical success and reduces the need for future medications. The study analyzed 532 procedures and showed significant improvements in clinical outcomes for patients who used pilocarpine drops.
The Rice360 Institute for Global Health Technologies' 15th annual Undergraduate Design Competition showcased affordable and practical solutions to improve healthcare in low-resource settings. Teams presented lifesaving innovations, including a neonatal jaundice treatment system and low-cost prosthetics.
A Northwestern University study found significant disparities in glaucoma monitoring, with rural and economically distressed communities facing barriers to care. The study identified strategies to improve access, including expanding tele-ophthalmology services, home monitoring technology, and financial support.
A study found that adding blood metabolite data to genetic risk scores improves glaucoma prediction accuracy, particularly in individuals at high genetic risk. Higher levels of lactate, pyruvate, and citrate were associated with a reduced risk of glaucoma.
The AI-GS network achieves high accuracy with 93.52% sensitivity at 95% specificity, excelling in detecting early-stage glaucoma. The system is portable, requiring minimal computational power and delivering results in under a second.
A large observational study found that high levels of 'good' HDL cholesterol are associated with a heightened risk of glaucoma, particularly among those older than 55. In contrast, higher levels of 'bad' LDL cholesterol, total cholesterol, and triglycerides are linked to a lower risk of the condition.
A study published in Chinese Medical Journal explores the use of artificial intelligence to identify potential medications for treating glaucoma. Researchers used AI models to predict the effectiveness of small-molecule compounds targeting RIPK3, a key signaling molecule involved in programmed cell death.
Researchers have discovered that a glaucoma drug, methazolamide, can clear tau build-up and reduce disease symptoms in zebrafish and mice. The study suggests that carbonic anhydrase inhibitors may be effective in treating neurodegenerative diseases such as Alzheimer's and Parkinson's.
The study found an estimated 2.56% of US adults 40 years and older have glaucoma, highlighting the need for public health planning. Disproportionate impact on black individuals underscores the importance of targeted prevention efforts.
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.
Scientists from Trinity College Dublin have developed a gene therapy that protects retinal ganglion cells and improves their function in animal models of glaucoma. The therapy has also been shown to increase oxygen consumption and ATP production in human retinal cells, indicating enhanced cell performance.
Researchers at UCL and Moorfields Eye Hospital have identified biomarkers that predict which patients with glaucoma are at higher risk of continued vision loss despite conventional treatment. Mitochondrial function in white blood cells is lower in people with glaucoma, leading to faster vision loss.
A new study has mapped priorities for UK eye care research, highlighting conditions like glaucoma and age-related macular degeneration as key areas of focus. The survey involved 2,240 healthcare professionals and patients, revealing opportunities for improved prevention, diagnosis, and treatment.
Researchers have developed a prototype 'smart' contact lens that measures eye pressure accurately, regardless of temperature. The dual-circuit design removes temperature-related errors, enabling early detection and monitoring of glaucoma.
A new study published in JAMA Ophthalmology suggests that artificial intelligence can match or exceed the expertise of seasoned ophthalmic specialists in diagnosing and treating patients with glaucoma and retina disorders. The AI system, GPT-4, demonstrated superior performance in response to glaucoma questions and case-management advice.
A large, diverse genetic study identified novel genetic locations associated with primary open-angle glaucoma (POAG), a leading cause of irreversible blindness globally. The study implicated vascular and cancer-related genes in POAG risk, with 20% of associated genes related to primary cilia.
A study published in Nature Communications has identified key genes, biological processes, and cell types that may contribute to the development of primary open-angle glaucoma. The research highlights potential mechanisms involving gene expression, cellular regulation, and vascular development.
A new analysis focusing on people of African ancestry identified three gene variants linked to glaucoma, including two likely causal variants and one associated with cup-to-disc ratio. The study's findings could enhance early screening and personalized therapeutic interventions for this population.
A recent study has identified two novel gene variants linked to primary open-angle glaucoma (POAG) in individuals of African descent. The analysis of 11,275 individuals revealed that these variants are more common in people of African ancestry and contribute to the disease's pathophysiology.
A new type of contact lens has been developed to diagnose glaucoma by monitoring eye pressure, providing a more accurate diagnosis and easier treatment. The lenses contain micro-sensors that track changes in intraocular pressure over several hours, sending the data wirelessly for analysis by an ophthalmologist.
Researchers develop a versatile imaging system for targeted spectroscopy in the eye fundus, allowing for continuous color imaging and spectral measurements. The system enables users to select targets and move them to any location within the eye fundus region without realignment or fixation changes.
A multidisciplinary team at Mass Eye and Ear has identified a promising new strategy for glaucoma cell replacement therapy by guiding stem cells to the retina. The researchers created RGCs out of stem cells and used chemokines to guide them to their correct positions within the retina.
A retrospective study found that research staff of the same race or ethnicity as patients increased consent rates by 65.1% compared to those of a different race or ethnicity. Employing diverse research teams can improve trust and engagement among potential study participants, according to researchers.
A new imaging technique, multifocal acoustic radiation force-based reverberant optical coherence elastography (RevOCE), has been developed to measure the elasticity of multiple eye components simultaneously. This approach offers high resolution measurements of the stiffness of eye structures and could revolutionize how we study ocular ...
A study by Lena Havstam Johansson found that nearly 5% of 70-year-olds had undiagnosed glaucoma, which damages the optic nerve and affects vision. Those with glaucoma reported poorer quality of life due to impaired vision, leading them to avoid social activities and feel frustrated.
A large UK Biobank study of 427,000 adults found that calcium channel blocker use was associated with an increased prevalence of glaucoma. The study suggests that calcium channel blockers may be a modifiable risk factor for glaucoma through a mechanism that is independent of intraocular pressure.
The grant investigates the unknown relationship between myopia and glaucoma by analyzing their effects on the ganglion cell complex. The research aims to identify early markers of glaucoma in myopic eyes, potentially reducing vision loss and improving quality of life.
Researchers found a significant correlation between vitreous humor biomarkers and pathologically confirmed cases of Alzheimer's disease and Chronic Traumatic Encephalopathy. Biomarkers in the vitreous humor may serve as a proxy for neuropathological disease, offering potential early diagnosis and prognostication.
A study by Brigham and Women's Hospital found that higher levels of diglycerides and triglycerides are associated with an increased risk of primary open-angle glaucoma. The research suggests that these lipid metabolites play a role in the disease's pathogenesis, highlighting potential new targets for prevention or treatment.
A team of researchers found that a small population of nerve cells exists in everyone that could be coaxed to regrow, potentially restoring sight and movement. The discovery provides new insights into how axons grow and could lead to effective therapies for blindness, paralysis, and other disorders caused by nerve damage.
Researchers used AI models to predict effective peptide sequences for safe drug delivery in eye cells, promising new treatments for glaucoma and macular degeneration. The model accurately predicted a peptide sequence that bound to melanin, releasing medications over several weeks.
A novel gene therapy approach decreases intraocular pressure in pre-clinical models of glaucoma. The treatment uses a viral vector to deliver instructions to cells, producing an enzyme that helps reduce fluid accumulation and pressure. This breakthrough holds promise for patients with glaucoma.
Glaucoma researchers identify mitochondria as a key source of energy for optic nerve cells, and restoring balance can protect these cells from damage. The study suggests enhancing mitochondrial biogenesis may be a promising treatment strategy.
A recent clinical study reveals a correlation between low intracranial pressure and impaired patient visibility, especially in the nasal zone. Higher translaminar pressure difference is estimated as a risk factor for normal tension glaucoma development.
Researchers discover gene therapy ophNdi1 that boosts mitochondrial performance in retinal ganglion cells, potentially treating glaucoma and age-related macular degeneration. The therapy shows protective effects in three models of mitochondrial dysfunction.
A research team led by Dr. Eddie Ma Chi-him identified a therapeutic small molecule M1 that increases mitochondrial dynamics and sustains long-distance axon regeneration, restoring visual functions in mice. Regenerated axons elicited neural activities and survived for four weeks after optic nerve injury.
Researchers have identified a Vegf-Notch signaling system that enables Muller glial cells to regenerate retinal neurons in zebrafish. This discovery may help understand why the human retina does not regenerate and could inform treatments for blindness.
Researchers discovered a genetic mutation in the THBS1 gene linked to severe childhood glaucoma, which may improve disease screening and treatment. The finding could lead to earlier diagnosis and more targeted therapies for children at risk.
A large UK Biobank study found that poor quality sleep, including insomnia, short/long sleep duration, snoring, and daytime sleepiness, is associated with a heightened risk of developing glaucoma. The study suggests that targeted screening of high-risk groups and sleep intervention may help prevent the disease.
Nanoscope Technologies received a $1.5M NIH SBIR grant to develop gene-agnostic glaucoma therapy utilizing Engineered Mechanosensitive Channels (EMCs). EMCs can autonomously regulate pressure, offering a novel approach to treating Glaucoma.