Articles tagged with Ophthalmology
Researchers found that host immune status significantly influences herpesvirus retinitis phenotypes and clinical outcomes. Acute retinal necrosis (ARN) is associated with a higher risk of retinal detachment, while cytomegalovirus retinitis (CMVR) follows an indolent course.
A new clinical practice guideline aims to standardize the identification and management of infants at increased risk for cerebral visual impairment (CVI). The guideline recommends comprehensive ophthalmologic evaluation and referral to developmental services within the first six months of life to access interventions as early as possible.
Researchers developed a soft, reusable smart contact lens that measures serotonin levels in tears, shedding light on stress-related physiological changes. The device, part of a broader tear bioelectronics platform, detects serotonin at low concentrations, enabling the tracking of small changes in stress levels.
A study of 955 adults with diagnosed eye conditions found that nearly 19% reported receiving or encountering treatments they believed to be 'bogus'. The survey highlights the importance of clear and evidence-based communication between clinicians and patients in navigating the complex environment of health information and commercial tr...
A team of researchers has developed nanoparticles that can activate nerve cells in degenerated retinas, potentially leading to a new type of retinal prosthesis. The nanoparticles, made from graphitic carbon nitride, trigger electrical and chemical processes that activate nerve cells and prompt signals towards the brain.
The latest figures from the European Registry of Quality Outcomes for Cataract and Refractive Surgery show significant improvements in safety and efficacy, with complications such as posterior capsule rupture occurring at a low rate. The registry has recorded nearly five million cataract surgeries, with the most common procedure being ...
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 found structural changes in the retina in people with atrial fibrillation, detectable up to four years before diagnosis. The study suggests retinal imaging could identify those at risk of atrial fibrillation before it causes harm.
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 study investigated the effects of space exposure on intraocular lenses and surgical equipment, finding that most lenses showed no notable damage after a six-month orbital journey. The research aims to develop better packaging, shielding, and material selection strategies for space missions, as the cost of sending equipment to space i...
A large study found that people exposed to higher levels of air pollution face a higher risk of developing glaucoma and cataract. The study suggests that fine particulate matter is a key contributor to these risks, and that reducing air pollution can help prevent these eye diseases.
A simple perception test using standard eye testing equipment can accurately predict the success of laser surgery for age-related vision loss. The test identified 1.66% of patients who were not suitable for the treatment, while 96.9% successfully adapted to their laser blended vision.
Researchers developed an automated method to convert standard eye scans into an objective cataract biomarker. The method, tested on 1906 eyes, demonstrated exceptional diagnostic discrimination and strong correlation with a standard cataract grading system.
Researchers identified a previously unrecognized form of inherited retinal degeneration caused by a specific EFEMP1 gene variant, primarily affecting peripheral retina and rod photoreceptors. The disease can begin before visible retinal damage and may go undetected for a considerable period due to relatively preserved central vision.
A study among young women with regular eyelash extensions found most had Demodex folliculorum skin mites, causing eye irritation and blocked meibomian glands. Simple hygiene steps and proper treatment can mitigate these issues, the researchers advise.
A new study from the Stein Eye Institute resolves the long-standing debate on the structural question of primate cone photoreceptors' disk membranes. Researchers found that the majority of disk membranes are closed, unlike non-mammalian species, with implications for cell biological processes and phototransduction.
Researchers discovered PECAM-dependent mechanism for immune cell traffic in the retina, identifying neutrophils as proresolving mediators. Targeting PECAM controlled white blood cell traffic, leading to improved clinical outcomes in uveitis model.
Researchers have developed an ultracompact gene activation tool called TIGRa, which can target multiple genes simultaneously and is smaller than CRISPR-based tools. TIGRa was tested in a mouse model and showed promising results in treating retinal degenerative conditions, including glaucoma.
Researchers at Kyushu University found a new molecular pathway that explains why intraocular pressure increases at night. Norepinephrine increases RHOB in the eye's drainage system, weakening its
Uwe Wolfrum's research on Usher syndrome aims to prevent vision loss in patients with the disorder. His team uses human retinal organoids and pig models to investigate the molecular mechanisms of the disease, paving the way for gene-based therapies.
This randomized clinical trial found spectacle lenses with highly aspherical lenslets reduced myopia progression and axial elongation in children over 24 months. The study supports the use of these lenses as a safe and effective myopia control intervention.
Researchers developed a collagen scaffold to deliver stem cells to treat ARK, a progressive eye condition causing profound visual loss. After three months, treated eyes showed significant improvement in vision, with an average ETDRS score increase of 24 letters.
The University of Illinois Chicago's UI Health ophthalmology program has earned a top national ranking and another regional ranking in U.S. News & World Report's 2026-27 Best Hospitals rankings. The hospital's cancer care also received top recognition, with the ophthalmology department being ranked No. 16 in the nation.
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 study published in Communications Medicine found that early vitrectomy surgery can be more beneficial for patients' vision than the current antibiotic-first approach. After six months, patients who received this treatment showed a median improvement of 40 additional letters they could read compared to those receiving antibiotics.
Researchers identified three amino acid changes that account for the 30 nm difference in light absorption between red and green cone pigments, enabling precise color discrimination. The study's findings may inform future drug discovery efforts targeting visual photoreceptors.
A researcher at the University of Minnesota Medical School has been awarded a $3.7 million NIH grant to develop robust AI models for primary open-angle glaucoma prognosis. The project aims to improve patient outcomes by identifying patients at high risk of vision loss earlier and more accurately.
Researchers at Technion-Israel Institute of Technology discovered that mature, aged cells can revert into active stem cells that regenerate damaged tissue. This finding challenges the prevailing view on tissue regeneration and implies the possibility of therapies promoting natural healing mechanisms.
A study from Linköping University finds that mild COVID-19 can lead to long-term eye problems, including abnormal pupil function and strabismus, affecting daily life. Researchers developed a diagnostic model to detect these issues, which may lead to effective treatment.
Healome Therapeutics has secured £2m in funding to develop an eye drop technology that combines drug retention, lubrication, and protection. The platform aims to reduce dosing regimens and improve patient outcomes for diseases affecting the surface of the eye, including dry eye disease and rare ocular surface conditions.
A comprehensive review examines global trends in antimicrobial resistance in animal eye infections, warning that multidrug-resistant bacteria are becoming more common. The authors call for earlier diagnostic testing, targeted antibiotic use, and stronger infection-control measures to preserve treatment options.
A new study published in Eye and Vision finds that one drop of low-dose atropine can produce daylong effects in managing myopia. The researchers found that the drop showed clear changes in pupil size and focusing ability, but no short-term structural effects on the eye.
A team of scientists at the University of California, Davis, has discovered an inherited form of blindness directly comparable to autosomal dominant optic atrophy (ADOA) in rhesus macaques. The study could lead to a better understanding of ADOA and potentially new treatments.
A Tohoku University research group developed an AI model that estimates retinal age from a fundus photograph, reflecting biological aging and potential disease risk. The model is non-invasive and can be used as a screening aid, identifying patients who may need further health assessments.
Mount Sinai ophthalmologist has developed a groundbreaking device enabling precise measurement of aqueous outflow during eye surgery. The technology offers improved accuracy and reduced complications, potentially transforming the field of ophthalmology.
Researchers at Terasaki Institute for Biomedical Innovation develop a smart contact lens that monitors intraocular pressure in real time and delivers treatment. The technology has shown promising results in preclinical models and aims to improve quality of life for patients with ocular diseases.
A new AI-driven test, PROMinsight, captures patients' quality of life in minutes, helping doctors make faster, better-informed decisions. The test is tailored for various eye conditions and translates insights into precise data that informs both care and research.
A new portable AI-powered scanning slit-light device makes low-cost eye disease screening more accessible, providing quantitative measurements and qualitative assessments of anterior-segment abnormalities. The lightweight AI model allows for on-device analysis, reducing operator dependence and improving portability.
A new AI chatbot helps patients access retinal detachment advice through personalized, real-time, clinically grounded conversations. The system outperformed leading large language models and includes accessibility features for people with low vision or limited English proficiency.
Researchers at Osaka Metropolitan University identified the tegmentum region as the area where light signals from the eyes and pineal organ are integrated. This integration enables fish to swim up or down based on differences in light wavelength, aiding survival decisions.
A retrospective cohort study in primary care found that patients with floaters or flashes have a higher risk of retinal detachment. The study, published in the Annals of Family Medicine, analyzed data from 1,181 episodes and found that new or recently changed acute floaters were associated with a higher relative risk.
Analysis of unintended side effect reports reveals that Wegovy carries the highest risk of 'eye stroke' and sudden sight loss among semaglutide drugs, with odds nearly 5 times higher than Ozempic. The risk is particularly pronounced in men, with a signal nearly 3 times higher than in women.
Researchers at the University of Pittsburgh School of Medicine develop an experimental 'living eye drop' using naturally occurring eye bacteria to accelerate corneal wound healing. The engineered bacteria, Corynebacterium mastitidis, continuously secrete interleukin-10, a protein that regulates inflammation.
Researchers found that veterans with prior concussions showed slower and less accurate eye movements, along with reduced performance on attention-based tasks. These subtle brain changes can be measured more than a decade after the original injury.
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.
Pickleball professionals and amateurs showed low use of high-quality protective eyewear, with many relying on personal prescription glasses that may not provide adequate protection. This study underscores the importance of consistent use of well-fitting protective eyewear to prevent pickleball-related eye injuries.
A nationwide cohort study found that semaglutide initiators had a significantly higher risk of developing nonarteritic anterior ischemic optic neuropathy compared to sodium-glucose cotransporter-2 inhibitor initiators. The absolute risk was low, but clinicians and patients should be aware of this rare but evident increased risk.
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.
Researchers found metformin reduces progression of AMD by 37% in people over 55 years, a breakthrough in search for new treatments. The study used pictures from 2,000 eye screenings and adjusted for factors like age, sex, and duration of diabetes.
Researchers used MRI analysis to measure glymphatic system activity, finding changes related to IIH stage and pressure levels. The findings suggest a noninvasive test could diagnose IIH more reliably, improving treatment options for patients with symptoms including headaches and vision loss.
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 study by Stanford Medicine researchers found that people with colorblindness have a 52% higher mortality rate over 20 years compared to those with normal vision due to delayed diagnosis. The study suggests that missing the early sign of blood in urine can lead to worse outcomes.
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.
A new study demonstrates the effectiveness of a widely-used eye injection in managing hypotony, a rare condition characterized by abnormally low eye pressure. The treatment, which involves injecting HPMC gel, has shown promising results in restoring vision and increasing eye pressure.
Researchers identified changes in RNA molecules involved in cell's splicing machinery, causing retinitis pigmentosa in ~30-40% of patients with genetic disorder. Variants in five non-coding RNA genes were found to be responsible for the disease, offering a new diagnostic pathway for families worldwide.
A novel clinical trial is exploring if a stem cell-derived retinal implant can not only stop the progression of dry age-related macular degeneration but also improve patients' vision. The implant uses lab-engineered RPE cells to replace damaged cells in the retina, potentially restoring central vision.
NEJM Clinician curates highly relevant clinical insights from over 150 peer-reviewed journals to give physicians clear guidance without the noise. The weekly publication delivers summaries and commentary in a concise, 30-minute read, helping healthcare providers stay informed and confident in their decisions.
Researchers developed a revolutionary AI platform to assess the fairness and accuracy of commercial algorithms in detecting diabetic eye disease. The platform was tested on 1.2 million images from diverse ethnic groups, achieving high accuracy rates compared to human grading.
Optic disc edema progression in spaceflight predicted using optical coherence tomography imaging, suggesting crew members without ODE on day 30 unlikely to develop concern on day 150. This technology offers opportunity for predicting ODE magnitude during longer missions.
A new MIT study reveals that temporarily anesthetizing the retina of the amblyopic eye can restore its neural connections and improve vision in adulthood. The treatment, which has been shown to be effective in infancy and early childhood, may have promising clinical potential for adults with amblyopia.