Articles tagged with Eye Diseases
In a breakthrough study, researchers at the University of Rochester Medical Center found that microglia cells respond differently than neutrophils to photoreceptor damage in the retina. This discovery has high implications for treating vision loss caused by photoreceptor cell damage.
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.
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 novel self-supervised learning-based domain-specific model, OSPM, was developed to detect malignant and premalignant ocular surface tumors. The model demonstrated robust performance on a large dataset of images from multiple clinical centers.
Researchers have identified a previously unknown organelle called the hemifusome that plays a crucial role in cellular sorting and recycling. This discovery could lead to targeted treatments for complex genetic disorders like Hermansky-Pudlak syndrome, which affects multiple systems in the body.
A new study found that increasing apolipoprotein M levels can slow or block progression of age-related macular degeneration, a leading cause of blindness in people over 50. The researchers also found that ApoM triggers a signaling pathway that breaks down cholesterol deposits.
Dry eye disease affects one-third of adults and one-in-five children, causing discomfort and blurred vision. A new app, MyDryEye, has been developed with optimized blinking exercises that have been shown to decrease symptom severity and frequency, with participants experiencing improved symptoms within two weeks.
The FDA has approved ENCELTO, an eye implant that delivers ciliary neurotrophic factor to slow vision loss in people with macular telangiectasia type 2. This device preserves sight in patients with this condition, which affects the central part of the retina.
Researchers developed stable MXene-coated contact lenses providing enhanced protection against electromagnetic radiation. The lenses exhibited a rapid temperature rise when exposed to microwave heating, indicating strong EMR absorption and dissipation.
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 new study by Anglia Ruskin University found that global refractive correction rates are at 65.8%, six percentage points lower than in 2010, and urge urgent action to meet the WHO's target of a 40% increase by 2030.
Researchers have developed a novel surgical technique to implant multiple tissue grafts in the eye's retina, expanding treatment options for dry AMD. The new method, which maintains eye pressure during graft insertion, promotes photoreceptor survival and regeneration of the choriocapillaris.
Researchers at Wayne State University are developing a new treatment to prevent diabetic corneal complications, which can lead to vision loss and poor healing. The project combines two naturally occurring peptides to target inflammation, delayed healing, and nerve degeneration.
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.
Researchers found that 90% of participants had at least one sign of dry eye disease, with significant progression after one year. The study highlights the need for early detection and advice on managing the condition through simple methods such as taking screen breaks and maintaining a healthy lifestyle.
Researchers at UC Berkeley created a platform called Oz that controls up to 1,000 photoreceptors in the eye at once, enabling the perception of a blue-green color named 'olo'. This breakthrough could provide new insights into human sight and vision loss, as well as answer basic questions about color vision.
A study found that patients who experienced vision impairment due to microbial keratitis had poorer treatment outcomes if they delayed seeking medical attention or had more extensive eye damage. In contrast, patients in the US who wore contact lenses had better outcomes, possibly due to earlier treatment by their physicians.
A new study from the University of Oklahoma is targeting cell communication in the hunt for therapies to slow macular degeneration. The research team is studying how cells in the retina communicate and whether the messages they send could be programmed to treat or slow AMD.
Researchers found that a thicker preoperative macular layer in the right eye was associated with an increased risk of postoperative delirium. The study suggests that retinal imaging may serve as a non-invasive biomarker to identify individuals at risk, particularly after anesthesia and surgery.
A novel cannula delivery system allows repeated, nondisruptive delivery of imaging agents to the mouse brain during long-term multiphoton microscopy. This innovation enhances longitudinal studies on brain function, disease progression, and potential treatments.
Researchers discovered that aging causes inflammation, oxidative stress, and gene disruption in the retinal pigment epithelium, a vital layer of cells in the eye. This study provides a clearer understanding of why aging leads to eye disease and introduces a reliable laboratory model for testing new therapies.
Researchers have gained detailed insights into RBP3's structure and mechanism of action, shedding light on its role in protecting the retina from diseases. The study suggests potential therapies to slow or stop retinal degeneration, including RP and myopia.
Researchers at KAIST have successfully developed a treatment method that restores vision by inducing retinal regeneration and vision recovery in disease-model mice. The approach involves blocking the PROX1 protein, which suppresses retinal regeneration, using an antibody developed by Celliaz Inc.
The University of Texas at Arlington expert discusses the state's largest outbreak in 30 years, with fewer people getting vaccinated contributing to its spread. The MMR vaccine is 97% effective against measles and has been proven safe despite misconceptions about its safety.
A new study found that treating aged mice with montelukast improved retinal health by reducing inflammation and boosting proteasome activity. This approach may offer a promising new way to slow age-related vision loss and protect eye health in older adults.
Researchers at the NIH developed eye drops containing a short peptide derived from PEDF, which slowed photoreceptor degeneration and vision loss in animal models of retinitis pigmentosa and dry age-related macular degeneration. The treatment preserved up to 75% of photoreceptors and showed no negative side effects.
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.
Researchers have successfully developed lab-grown pig retinal organoids, which shared similarities with human retinal organoids. The study offers a promising approach to combatting retinal disease by testing 'human-equivalent' photoreceptors in pigs.
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.
Researchers emphasize the importance of regular screenings and treatment to prevent vision loss in patients with diabetes. Current guidelines recommend eye exams for adults with type 1 and type 2 diabetes, while adolescents and young adults are at higher risk due to difficulty controlling their condition.
A new study explores how wild animals can provide insights into novel biomedical breakthroughs. Researchers have discovered that deep-sea worms, hibernating bears, and king penguins possess unique traits that could lead to effective treatments against antibiotic-resistant infections and lifestyle diseases.
A new stem cell therapy, CALEC, has been successfully tested on 14 patients with blinding cornea injuries, achieving a high proportion of complete or partial success rates. The treatment was found to be safe and effective, with no serious events occurring in either the donor or recipient eyes.
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.
Scientists have identified key corneal neurons involved in sensitivity and developed an experimental model to study nerve regeneration. The Ocular Neurobiology laboratory is participating in the RESTORE VISION project, which aims to improve eye health and quality of life for those affected by rare eye diseases.
A team of scientists at Indiana University School of Medicine has identified a potential link between retinal changes and Alzheimer's disease. The study found that the APOE4 gene variant impairs retinal function in mice, suggesting a direct link to visual processing deficits associated with Alzheimer's disease.
A Mount Sinai-led research team has identified stem cell populations and mechanisms underlying age-related degeneration in meibomian glands, which secrete lipid-rich meibum to prevent tear evaporation. The findings suggest that targeting Hh and EGFR signaling could be a potential therapeutic option for evaporative dry eye disease.
Researchers at Karolinska Institutet discovered a fundamental mechanism linking breathing to pupil size, which affects vision. The study shows that the pupil is smallest during inhalation and largest during exhalation, impacting visual perception.
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.
A study analyzing 12 sunglasses models found that only one met international safety limits for UV radiation exposure. The lenses lose their ability to block UV radiation over time, increasing the risk of eye damage. To minimize this risk, scientists suggest adopting ICNIRP limits as standard practice.
Researchers from JAX used mice with different genetic backgrounds to identify factors influencing eye aging, leading to a better understanding of age-related eye diseases. The study found that genetics play a key role in retinal aging and predicts common age-related eye diseases.
A recent study found that cold temperatures allow the bird pink eye pathogen to survive on bird feeders for up to seven days, causing more severe disease in birds compared to warmer temperatures. Regular cleaning of feeder surfaces with bleach can help mitigate the spread of the disease.
Researchers at Fujita Health University have developed a novel therapy using mesenchymal stem cells to treat inflammatory eye diseases, reducing inflammation and promoting tissue repair. The study found that adMSC injections effectively reduced inflammation in mice with GVHD without long-term complications.
A study found nine cases of vision problems in patients taking GLP-1 medications, with seven experiencing nonarteritic anterior ischemic optic neuropathy (NAION). Neuro-ophthalmologists warn of potential risks due to the increasing demand for these drugs, which can cause blood sugar fluctuations.
A new study analyzed 100 cases of Florida spot keratopathy (FSK), a condition characterized by white spots on the cornea. The research found that FSK is typically stable and does not significantly affect vision or quality of life, but may be linked to exposure to little fire ants.
Researchers have created detailed maps of the retina using AI technology to better understand its link to various diseases. The study identified new genetic factors influencing retinal thickness, which may serve as a diagnostic biomarker for disease detection.
Researchers at FAU's Schmidt College of Medicine will explore the use of genetically engineered cells to treat degenerative diseases, with a focus on understanding how hypoxic conditions drive cellular transformation. The study aims to identify novel pathways controlling this process and develop strategies for engineering more complex ...
Researchers found a genetic change, pR552*, that could give the RB1 gene a new function leading to cancer growth. This challenges the common belief that both copies of the RB1 gene must be damaged for cancer to develop.
Researchers at Mayo Clinic developed patient-derived organoid models to study uveal melanoma, a common type of eye cancer. These 3D models accurately represent the disease's genetic and biological characteristics, enabling better understanding and treatment development.
A study found that people with delayed REM sleep have higher levels of toxic proteins amyloid and tau, and lower levels of healthy protein BDNF, which can increase the risk of developing Alzheimer's. Practicing healthy sleep habits may help mitigate this risk.
Researchers found AI-based imaging technology improves disease diagnosis accuracy, particularly in cardiology, oncology, neurology, and ophthalmology. The technology also enhances diagnostic efficiency and reduces healthcare disparities by delivering high-quality diagnostics to underserved areas.
Researchers found that integrating optometrists into community clinics reduces patient wait times and lower costs for the NHS. Local optician practices handle conditions like nAMD and glaucoma, delivering quality care while optimizing resources.
A University of Houston study found that wearing multifocal contact lenses for myopia control has a lasting effect, slowing eye growth and progression. The study, which followed children from ages 7 to 11 for three years, showed that the treatment benefit remained even after discontinuing treatment.
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.
Two non-retinoid compounds were identified that improve cell surface expression of rhodopsin in 36 genetic subtypes of retinitis pigmentosa and protect against retinal degeneration in mice with the disease. The treatment showed improved overall retina health and function, prolonging photoreceptor survival.
A new study has identified genetic and demographic factors that increase the risk of developing age-related macular degeneration (AMD). The research found a significant difference in AMD risk between European and non-European descent populations, highlighting the importance of diverse ancestry groups in understanding this condition.
A massive study of human protein variants found that 61% of disease-causing mutations destabilize proteins, leading to cataracts, neurological disorders, and muscle-wasting diseases. The researchers created the Human Domainome 1 catalogue, which includes over half a million mutations across 522 human protein domains.
A recent study has explored a new imaging approach that uses swept-source optical coherence tomography to visualize the upper airway with high precision. By integrating computational fluid dynamics, researchers were able to identify areas of turbulence and pinpoint obstruction sites, leading to more accurate diagnoses and treatment pla...
A new study reveals that the vestibulo-ocular reflex, which enables stable perception of surroundings, matures without sensory input in newborns. Researchers discovered that the slowest-maturing part of the brain circuit is at the neuromuscular junction, not in the brain as previously assumed.
A comprehensive analysis of medical AI technologies highlights their potential in improving diagnostic accuracy and customizing treatments. However, challenges such as data collection and analysis, biases, and patient privacy concerns need to be addressed through standardized evaluation protocols and effective collaborations.
Researchers used STOC-T to visualize retinal microcirculation in real-time, providing insights into the mechanisms of retinal function. The study offers a groundbreaking opportunity for precise monitoring of hemodynamic changes in the retina, enabling early detection and treatment of diseases such as Alzheimer's and Parkinson's.