Articles tagged with Ophthalmology
A new treatment for corneal scarring is being developed by University of Houston optometry researcher Tarsis G. Ferreira. The treatment uses a natural protein called decorin to block scarring and unwanted blood vessel growth, offering hope for people with injured corneas.
Breakthroughs in treating age-related macular degeneration (AMD) include FDA-approved pegcetacoplan and avacincaptad pegol, targeting the complement system to slow geographic atrophy progression. Anti-VEGF therapies like faricimab also offer extended dosing intervals, reducing injection frequency.
A UCL-led study suggests that community-based technician-led virtual review clinics could significantly reduce wait times for patients with stable chronic eye conditions. The research found that appointment delays decreased by an average of 8.1 days per week after the clinic's launch, leading to a faster reduction in waiting times.
Researchers found that rod bipolar cells can form new functional connections with cones when their usual partners stop working in retinitis pigmentosa. This adaptation mechanism could reveal new targets for treatments aimed at preserving vision.
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.
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.
A review of AI eye imaging devices approved for patient care found significant gaps in evidence, including lack of transparency on training data and limited diversity in clinical evaluations. The study highlights the importance of rigorous, transparent evidence and data to ensure equitable and effective AI-based solutions.
Scientists have discovered that heparan sulfate in Bruch's membrane traps lipoproteins, leading to drusen formation and vision loss. Targeting this interaction may prevent or reverse early signs of AMD.
The use of GLP-1 receptor agonists among diabetes patients is associated with a higher risk of developing incident neovascular age-related macular degeneration. Further research is needed to understand the underlying mechanisms and trade-offs between benefits and risks.
The New York Eye and Ear Infirmary of Mount Sinai has opened a comprehensive center for refractive solutions, providing innovative treatment options for patients requiring refractive correction. The center offers streamlined care for premium cataract and corneal refractive procedures, including LASIK and custom LASIK.
The University of Colorado Anschutz Medical Campus has received a historic $40 million gift to support research into treating and curing serious eye diseases like macular degeneration and glaucoma. The gift will also enable the development of new technologies and recruit top talent.
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.
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.
A University of Cincinnati study explores the link between health literacy and fear surrounding cataract surgery, revealing no correlation between the two. The research emphasizes the importance of open communication and building relationships to overcome fear.
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.
Researchers at Brown University suggest that gold nanoparticles could one day be used to restore vision in people with macular degeneration and other retinal disorders. The nanoparticles, when injected into the retina, can stimulate the visual system and restore vision in mice with retinal disorders.
Researchers highlight the potential of AI in diagnosing and treating myopia, detecting risk factors and predicting outcomes. However, challenges such as data quality and patient privacy must be addressed to improve widespread clinical application.
Researchers at TU Graz have developed a new method for detecting nanoplastics in transparent body fluids, including urine, tear fluid, and blood plasma. The method uses optofluidic force induction and Raman spectroscopy to determine the size and chemical composition of particles.
Research by Carolyn Drews-Botsch finds that patching after age 4 does not significantly impact vision, but less-aggressive protocols may be suitable for families with distress. Optotype acuity assessments in 4-year-olds can predict visual acuity at age 10.
A cohort study found semaglutide use is associated with a higher risk of nonarteritic anterior ischemic optic neuropathy in people with diabetes. However, the retrospective design limits the study's ability to establish causality, necessitating further research.
A new study published in JAMA Ophthalmology found that lifestyle changes after COVID-19 were associated with an increase in the prevalence and severity of child astigmatisms. The potential impact of higher degrees of astigmatism may warrant dedicated efforts to elucidate the relationship between environmental and/or lifestyle factors.
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.
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 systematic review and dose-response meta-analysis found a daily 1-hour increment in digital screen time was associated with a 21% higher odds of myopia. Researchers suggest that exposure to screens for less than 1 hour per day may be safe, but prolonged use increases the risk of nearsightedness.
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 at the University of Utah have developed a robotic surgery device that aims to give surgeons
A study published in JAMA Ophthalmology found a modest increase in the risk of nonarteritic anterior ischemic optic neuropathy among individuals with type 2 diabetes associated with semaglutide use. The findings suggest that further investigation is needed into the clinical implications of this association.
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.
The study found a notable drop in common ophthalmic procedures following the COVID-19 pandemic, especially laser peripheral iridotomy, which declined significantly in the hardest hit areas of the Northeast. Eye drug injections showed minimal changes during this time.
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.
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.
Two independent studies from University of Southern Denmark confirm that patients with type 2 diabetes who take Ozempic are at increased risk of developing damage to the optic nerve, leading to severe and permanent loss of vision. The risk doubles compared to those not taking Ozempic.
Researchers at Mass Eye and Ear developed an mRNA-based therapy to prevent scarring and blindness in PVR. The treatment, called RUNX1-Trap, targets a protein that regulates scar tissue formation, showing early promise for treating this eye disease.
A brain-based condition causing vision problems in children has been defined by a NIH-led team. The five elements of cerebral (or cortical) visual impairment (CVI) include difficulty visually searching for objects or understanding complex motion.
The University of Washington School of Medicine has released a flagship AI-ready dataset for a type 2 diabetes study, featuring a diverse range of participants and novel measures. The dataset includes environmental sensor data, survey responses, eye-imaging scans, and traditional biologic variables.
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.
A new study finds that AI-powered models exhibit similar levels of accuracy as ophthalmologists in identifying infectious keratitis, a leading cause of corneal blindness worldwide. The AI models displayed a sensitivity and specificity of 89.2% and 93.2%, respectively, matching the diagnostic accuracy of human experts.
Researchers found that using valacyclovir for a year can decrease the risk of new or worsening eye disease and prevent vision loss associated with shingles. The study, which enrolled over 500 participants, showed that this treatment reduced the risk of complications by 30%.
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 at NYU Langone Health will use visible-light OCT technology to detect biomarkers of neurodegenerative disease, including Alzheimer’s and Parkinson’s diseases. The study aims to identify retinal layers and monitor the effects of therapies.
A recent study published in Health Data Science reveals a significant association between socioeconomic status (SES) inequality and the risk of developing age-related macular degeneration (AMD). Individuals with medium and low SES had a 10% and 22% increased risk of AMD, respectively, compared to high SES individuals.
This study found that certain social determinants of health affect monitoring for diabetic retinopathy differently for Black and white patients with diabetes. Patients living in rural communities, including Black patients with preexisting diabetic retinopathy, are not receiving eye care in accordance with clinical practice guidelines.
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.
The world's first combined whole eye and face transplant has demonstrated allograft survival, including rejection-free graft survival. The transplanted eye has maintained normal pressure, good blood flow, and some remaining structure and functions in the retina. Researchers are now focused on understanding how to restore sight.
A Phase 1/2 clinical trial found significant vision improvements in patients with Leber congenital amaurosis, a rare inherited condition causing early childhood blindness. The gene therapy, ATSN-101, demonstrated efficacy in correcting genetic mutations and restoring vision for up to 12 months.
Researchers found that vision impairments contribute significantly to the development of dementia in older adults, with a population attributable fraction ranging from 4.9% to 19.0%. The study highlights the importance of incorporating multiple objective measures of vision impairment into assessments to capture its impact on dementia.
A new study found that private clinics in Ontario increased cataract surgery rates for higher-income patients after receiving public funding, while lower-income patients saw a 9% decrease in access. The researchers suggest policy changes to address conflicts of interest and ensure equitable access to surgery.
Researchers at Texas A🏠M University School of Engineering Medicine have developed an innovative project to refine the skills of NFL officials through neuro-ophthalmologic training. The project uses 2D game data to create 3D simulations, enhancing training and on-field 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 by ACS Journal of Proteome Research identifies shifts in tear protein levels as predictors of long-lasting pain after LASIK surgery. The analysis suggests that specific patterns of protein changes could one day be used to evaluate patients' risk of post-surgical eye pain and find new treatments.
A study published in JAMA Ophthalmology found an association between semaglutide and nonarteritic anterior ischemic optic neuropathy, a condition that can cause vision loss. The observational study suggests caution when prescribing semaglutide to patients at risk of this condition.
A new study found that patients prescribed semaglutide for diabetes or weight loss have a higher risk of developing NAION, a potentially blinding eye condition. The study revealed a significant risk increase in diabetic and overweight/obesity patients taking semaglutide.
A new AI model has been developed to improve clinical trial recruitment for eye disease, specifically Geographic Atrophy. The system identified almost twice as many candidates and with higher precision compared to conventional approaches, showing promise for overcoming a major obstacle in GA clinical trials.
A novel approach for corneal tattooing has been developed using multi-lamellar polychromatic keratopigmentation, offering customized appearance and increased safety. The procedure achieved an average cosmetic improvement rating of 4.2 and patient satisfaction ratings of 9.2 out of 10.
Researchers found that mono-canalicular Lacrijet stent insertion is a safe and effective treatment for congenital nasolacrimal duct obstruction in children, with success rates unaffected by age or previous failed probing. The study suggests early assessments and stenting as an option for pediatric epiphora management.
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 at the University of East Anglia have developed a novel resin for 3D printing intraocular devices, offering unprecedented levels of customization and design precision. This innovation has potential to enhance eye care globally with tailored lenses, faster production, and cost reduction.
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 discovered that SARS-CoV-2 can infect the inside of the eyes even when it doesn't enter through the surface. The virus breaches the blood-retinal barrier, inducing a hyperinflammatory response and causing cell death in the retina, which may lead to long-term eye damage.
A new soft multi-electrode system for electroretinography has been developed to overcome the limitations of traditional devices. The system uses a commercially available soft disposable contact lens with gold mesh electrodes, allowing for simultaneous measurement of electrical potentials from different regions of the retina. This innov...