Articles tagged with Ophthalmology
Researchers at Universidad Complutense de Madrid have discovered alterations caused by ALS in the retina, which can be used as biomarkers for diagnosis and treatment monitoring. The study found changes in microglial cells and ganglion cell loss, with modifications evolving over the course of the disease.
A seven-year study by CooperVision indicates that MiSight 1 day contact lenses slow myopia progression without a rebound effect, even after treatment cessation. The lenses demonstrate sustained slowing of myopia progression across different ages and with varying levels of myopia.
A team of scientists at the University of Utah has discovered a new type of interneuron in the mammalian retina called the Campana cell. The discovery marks a notable development for the field, as scientists work toward a better understanding of the central nervous system by identifying all classes of neurons and their connections.
Researchers from Tokyo Medical and Dental University have developed a non-invasive imaging technique using blue light to identify areas affected by diabetic retinopathy. The study found that blue images obtained through multicolor widefield scanning laser ophthalmoscopy (SLO) can reveal hyporeflective areas indicative of damage associa...
A new rapid screening test for glaucoma uses infra-red sensors to monitor eye movement, providing accurate results within seconds. The test could help advance early detection of the disease, a leading cause of irreversible blindness, and make it more accessible for national screening programs.
A team of scientists successfully created a form of artificial vision for a blind woman using a prosthesis hardwired into her brain. The Moran|Cortivis Prosthesis enabled Gómez to identify lines, shapes, and simple letters evoked by different patterns of stimulation.
Optical coherence tomography (OCT) has significant growth potential across various medical applications, including cardiology and dermatology. Miniaturized OCT systems are expected to revolutionize healthcare with compact, mobile, and cost-effective devices.
A genomic study revealed causative gene variants for inherited retinal dystrophies (IRDs) in diverse populations, with significant findings for Mexican, Pakistani, and European American participants. The study identified new gene variants and mutations contributing to IRDs, shedding light on disease variation and presentation.
University of Illinois Chicago researchers discovered a function of mammalian target of rapamycin complex 2 in an antiviral defense mechanism, limiting HSV-1 virus infection through rapid activation of antiviral immunity. The protein complex protects the host by preventing encephalitis and possible death due to HSV-1 infection.
A new study published in The Lancet Digital Health found a link between screen time and myopia in children and young adults. High levels of smart device exposure increased the risk of short-sightedness by up to 80%, according to researchers at Anglia Ruskin University.
Researchers have discovered toxic DNA buildup in the eyes of patients with geographic atrophy, a devastating form of age-related macular degeneration. Common HIV drugs or safer alternatives, such as Kamuvudines, may block inflammation and protect against retinal cell death, offering new hope for treatment.
Researchers from the University of Bonn have found that reading ability is a crucial indicator of functional loss in people with geographic atrophy, a late form of age-related macular degeneration. Reading speed and performance are essential for measuring everyday functional impairment.
A clinical trial conducted by TTUHSC researchers found that corneal epithelial stem cell-derived eye drops significantly improved symptoms of severe dry eye disease, with patients experiencing a 23% improvement in SPEED questionnaire scores and a 17.1% improvement in OSDI scores. No adverse reactions were reported during the 12-week tr...
A new handheld screening device has been shown to accurately detect amblyopia (lazy eye) in children, with a sensitivity rate of 100% and specificity rate of 85%. Early detection is key to treating the condition, which can affect school performance and lifelong visual acuity.
Researchers discovered a two-cell color detection system in lampreys, which they propose could be the evolutionary ancestor of single-cell systems in fish and reptiles. The study found that this ancient system produces similar responses to UV and visible light as modern single-cell systems.
A recent study of 1.5 million Israeli teens found that approximately 1% have lazy eye, with a decline in incidence over the past two decades. Socioeconomic factors and ultra-orthodox upbringing are linked to increased risk, while immigrants from certain countries have a higher prevalence
Researchers at University of Illinois Chicago found a potential direct connection between neurodegenerative diseases, such as Alzheimer's disease, amyotrophic lateral sclerosis (ALS), glaucoma, and herpesvirus. The study suggests OPTN protein restricts HSV-1 virus spread in cells.
Researchers at Nanyang Technological University and Tan Tock Seng Hospital have developed an AI-powered system to diagnose glaucoma from stereo fundus images, achieving an accuracy of 97% in diagnosing the condition. The automated method could potentially be used in less developed areas where patients lack access to ophthalmologists.
The Daylight Award 2022 is now open for nominations, honoring groundbreaking research on the effects of daylight on human health and well-being. The award also recognizes innovative architectural projects showcasing unique uses of daylight, aiming to improve living conditions and environmental impact.
A new study from University of California - San Diego suggests that protein deposits in the retina and brain may be a sign of Alzheimer's disease risk. Retinal imaging may potentially serve as an early biomarker for detecting AD risk, offering a non-invasive alternative to traditional brain scans.
The study describes a range of eye injuries resulting from the Port of Beirut blast, including conjunctival lacerations and foreign body injuries. Researchers highlight the need for emergency care and medical attention for those affected.
Researchers at the University of Oregon used CRISPR-Cas9 gene editing to target a specific mutation causing Fuchs' corneal dystrophy, preserving endothelial cell density and function. The study lays the groundwork for future research on using this technique to treat genetic disorders in post-mitotic cells.
Researchers at University of Bonn found that fixing objects slightly away from the center of cone density improves overall vision. The observed image shift is due to the varying resolution across the human retina, with sharper areas in the fovea and less sharp areas in the periphery.
A Hong Kong study suggests a link between the COVID-19 pandemic and an increase in childhood short-sightedness, with children spending less time outdoors and more time on screens. The study found that around 1 in 5 children developed short-sightedness during the pandemic, compared to around 1 in 3 over three years.
Researchers discover presumed SARS-CoV-2 viral particles in the human retina of COVID-19 patients. The finding suggests a possible link between the virus and ocular clinical manifestations, highlighting the need for further investigation into the virus's effects on the eyes.
A new study shows that a wearable computer vision device can reduce collisions for both people who are blind or those who are visually impaired and using a long cane and/or guide dog. The device was found to be 37 percent effective in reducing collision incidents, providing an additional travel safety measure.
A population-based study of nearly 30 years of billing data reveals a significant payment gap between female and male ophthalmologists in Ontario, even after accounting for age and practice differences. The disparity is more pronounced among ophthalmologists compared to other surgical specialty groups.
A recent study by University College London researchers found that people living in areas with high levels of air pollution, particularly fine particulate matter, are at increased risk of developing AMD. The study suggests that improving air quality could be a key public health priority to reduce the risk of eye disease.
Researchers found that medicated drops can close small macular holes within two to eight weeks, allowing some patients to avoid surgery. The treatment was most effective for patients with holes less than 200 micrometers in diameter, and showed promise as an alternative to traditional vitrectomy surgery.
Researchers found significant differences in astigmatism measures obtained by Pentacam, Cassini, and IOL-master systems, affecting cataract surgery outcomes. The study's findings highlight the need for further investigation into refractive predictability studies to determine the best optometric device.
A study by Anglia Ruskin University found that COVID-19 can cause various eye symptoms, with 16% of respondents reporting sore eyes as a symptom. The researchers argue that sore eyes should replace conjunctivitis as a possible COVID-19 symptom due to its differentiation from other types of infections.
A growing global population is exacerbating the need for eye care services, with no significant reduction in treatable vision loss over the last decade. The study highlights cataracts and refractive errors as major causes of moderate to severe vision impairment.
An AI model developed at Duke University successfully identified patients with Alzheimer's disease from retinal images, suggesting its potential as a predictive tool. The study provides proof-of-concept for machine learning analysis of certain types of retinal images to detect the neurological disease in symptomatic individuals.
Researchers at the University of Alabama at Birmingham have identified a novel population of neurons, called saccade-vergence burst neurons (SVBNs), that control disjunctive saccades in 3D space. These findings could lead to new treatments for strabismus, a condition where eyes don't properly align.
Researchers analyzed surgical outcomes in Swedish cataract surgeries from 2007-2016, finding that high-volume surgeons had a lower proportion of severe cases and complications. The study suggests that surgeons can improve patient safety by understanding the impact of case mix on outcomes.
A new study aims to replace daily eye drops with a brief low-energy laser procedure to lower eye pressure in glaucoma patients. The trial seeks to improve patients' quality of life and potentially offer a 'drop-free lifetime.'
A groundbreaking LSU Health study reveals that nonharmful stress can protect against disease in offspring, reprogramming heritability to promote resilience. The research used mild systemic hypoxia to trigger adaptive changes in adult mice, which were then passed on to their offspring.
A study simulated respiratory droplet spread during ophthalmologic slitlamp exams, establishing the risk of infectious disease contagion in this setting. The results highlight the importance of infection control measures in reducing transmission risk.
This observational study reports practice patterns among US ophthalmology practices for common ocular complaints during the initial stage of the COVID-19 pandemic. The study found that ophthalmology centers responded differently to common ocular complaints, highlighting the need for standardized care protocols.
Researchers investigated SARS-CoV-2 presence on environmental surfaces in an ophthalmology examination room. The study found detectable COVID-19 viral material on various surfaces, highlighting the need for infection control measures.
A survey study analyzed the mental state and ocular surface state of ophthalmologists and ophthalmic nurses during the COVID-19 outbreak in China. The results revealed high stress levels among healthcare professionals, which negatively impacted their ocular surface health.
Researchers at the University of Montreal have developed a synthetic, biocompatible liquid hydrogel that promotes tissue regeneration and treats corneal perforations without transplantation. This innovative solution has the potential to help patients retain their vision and avoid blindness.
Researchers have identified conjunctivitis as a potential primary symptom of COVID-19, leading to changes in patient diagnosis and treatment protocols. Ophthalmologists are now taking extra precautions when treating patients with conjunctivitis and keratoconjunctivitis, including wearing personal protective equipment.
Changes in ophthalmology practices and procedures have been reported following the COVID-19 pandemic, highlighting the need for adjustments to ensure patient safety and well-being. The study examines the impact of the pandemic on eye care services and provides insights into future directions for ophthalmology.
A new study found that very low doses of Avastin are effective in preventing blindness in preterm infants. The treatment was tested on 59 preterm infants with type 1 ROP and showed success in improving vision with minimal side effects.
A recent study highlights various COVID-19 control measures being implemented at an ophthalmology center in Singapore to mitigate the pandemic's impact on patients and staff. The clinic has adopted several initiatives, including enhanced infection control protocols, telemedicine services, and patient triage procedures.
A recent study published in Ophthalmology found no virus detected in the tears of infected patients with COVID-19, suggesting a low risk of transmission through this route. The study's authors hope their findings will guide further research into preventing virus transmission through more significant routes.
A new Penn Medicine study found that missing a single ophthalmology appointment over a two-year period was associated with decreased visual acuity for patients with macular degeneration. Patients who attended more frequent visits had better visual outcomes, highlighting the importance of visit adherence for this patient population.
Dr. Jennifer J. Lentz and her team will research a treatment for vision loss in Usher using antisense oligonucleotides, targeting the human 216A mutation in the USH1C gene. The goal is to develop an effective treatment for vision loss in Usher Syndrome.
Jayne S. Weiss, MD, has been awarded the 2020 Castroviejo Award for her outstanding work on corneal dystrophies, particularly Schnyder corneal dystrophy. Her research focuses on genetic mapping and pathophysiology of corneal diseases, making significant contributions to the field.
A new AI screening system has been shown to accurately detect diabetic retinopathy in 95.5% of cases, making real-time screening possible for primary care practices and diabetes centers. The EyeArt system can provide a reading in 60 seconds and does not require the input of an expert ophthalmologist.
A new study suggests combining eye drops and contact lenses can effectively slow nearsightedness in children, with benefits seen in both high and low myopia cases. The combination treatment was found to be 28-38% more effective than using either method alone.
The American Academy of Ophthalmology honored ophthalmologists who improved eye care worldwide through their scientific contributions, international work, and advocacy efforts. The honorees included Marilyn T. Miller, Graham E. Quinn, David F. Chang, Richard L. Abbott, Ralph C. Lanciano Jr., and Marcus Ang.
A new study found that cataract surgery significantly improves drivers' safety on the road. After undergoing surgery, patients experienced a 48% decrease in near misses and crashes. This improvement was due to enhanced contrast sensitivity and night vision.
A new study links common bladder medication Elmiron to a vision-threatening eye condition, finding that about one-quarter of patients with significant exposure show signs of retinal damage. The research highlights the potential for long-term use of the drug to masquerade as other known conditions.
Researchers have made significant progress in developing gene therapy to treat wet age-related macular degeneration (AMD). Six patients have maintained vision after receiving a single intravitreal injection of gene therapy, offering hope for a potential
A study evaluated representation of female authorships in ophthalmologic journals from 2008 to 2018. The analysis found sex-disparities exist in the field of ophthalmology research.
Dr. Jerry A. Shields, MD is honored with the 2019 Lucien Howe Medal for his distinguished service to the fields of ocular oncology and ophthalmology. He has made significant contributions to life-saving treatments and cures in eye cancer.
Despite NICE guidelines stating cataract surgery is cost-effective, NHS commissioners are restricting access to the procedure. Over 2,900 prior approval requests for cataract surgery were rejected in 2022, more than double the number two years ago.
A study by Kellogg Eye Center reveals that herpes zoster ophthalmicus (HZO) cases tripled in 12 years, mostly affecting older adults. Shingles vaccination provides strong protection from HZO complications, but its use is not widespread.