Articles tagged with Optometry
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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 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.
A new tool, WatDAT, measures vision equally precisely in younger toddlers by asking them to point out different shapes at progressively smaller sizes. This test can lead to earlier detection and treatment of vision problems in children under three, such as amblyopia or farsightedness.
Exposure to lower levels of air pollutants is associated with improved vision in children, suggesting that reducing exposure could slow the progression of myopia. Children who live in areas with cleaner air have better vision, especially younger students.
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.
Patients who had cataract surgery or received a new type of lens for presbyopia correction have excellent vision over near, intermediate, and far distances without glasses. The study found that nearly all patients needed glasses 'none' or 'a little of the time' for distance and intermediate vision.
Researchers developed a new treatment using specially formulated eye drops that improved near vision for patients with presbyopia. The study found that the majority of patients could read extra lines on the Jaeger chart after using the eye drops, and improvements were sustained for up to two years.
The Global RETFound initiative aims to develop the world's first globally representative AI foundation model in medicine, addressing health inequalities and AI bias. The project involves a diverse dataset of over 100 million fundus photographs sourced from 65+ countries.
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.
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.
EyeCare4Kids promotes Maggie Cline as its new CEO, bringing her experience overseeing 50,000 vision services annually. The organization aims to expand its reach and impact in Africa and the US, with a focus on improving health equity and increasing access to eye care services.
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 new analysis of 105-year-old data found that while dazzle camouflage had some effect, the 'horizon effect' had a much greater influence on confusing enemy ships. The study, led by Aston University researchers, showed that when people looked at a ship in the distance, they significantly underestimated its direction of travel.
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.
PolyU's 16 projects funded by HMRF focus on healthcare innovation, covering areas like nursing care, health tech, and biomedical engineering. The research aims to address global healthcare challenges and improve overall well-being.
A new study found that young nearsighted kids who wear bifocal contact lenses do not lose the benefits of treatment once they stop wearing them, with myopia progression continuing at age-expected rates. The study suggests a lower cost and more options for patients with healthier eyes.
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 at Indiana University are developing next-generation ophthalmoscopes to spot early warning signs of diseases like Alzheimer's, diabetes, and heart disease with a simple eye scan. The technology uses machine learning and AI to reduce diagnosis time from days to minutes.
A study by Zachary Estes and colleagues found that constricted pupils (smaller irises) enhance physical attractiveness by making eyes appear brighter. This contradicts previous research suggesting dilated pupils make people more attractive.
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 at the University of Waterloo have developed a patented contact lens material that acts as a bandage for corneal wounds, releasing drugs in a controlled manner to enhance healing. The material, which uses collagen-based technology, achieves complete wound healing within five days in human cell culture studies.
A University of Houston optometry researcher has warned against using low-level red light therapy for myopia in children due to potential retinal damage. The therapy, which involves prolonged exposure to a red light-emitting instrument, can put the retina at risk of photochemical and thermal damage.
Two SUNY College of Optometry PhD candidates, Seoyoung Kang and Daniel Larbi, received national awards for their groundbreaking research on retinal disease and regeneration. Their work has the potential to lead to new treatments for eye diseases.
A Cochrane review of 17 randomised controlled trials found that blue-light filtering spectacles may not reduce visual fatigue associated with computer use and do not improve sleep quality. The evidence is also unclear on their effects on retinal health.
University of Melbourne researchers have discovered that T cells patrol the human eye, protecting it from pathogens and inflammation. The study uses a new imaging technique to capture dynamic behavior of these cells in response to different stimuli.
A new clinical trial found that low-dose atropine eye drops are effective in slowing the progression of nearsightedness in children. The treatment showed significant improvements in limiting eyeglass prescription changes and inhibiting elongation of the eye, with a daily drop in each eye being enough to make a difference.
A randomized clinical trial suggests that low-dose atropine may provide a treatment option for childhood myopia progression. The study observed a significant reduction in myopia progression over 3 years.
A new study by Anglia Ruskin University found that people with sight loss in the UK are confused by a 'disjointed' certification system, creating barriers to accessing support and benefits. The research highlights inconsistencies in the process, long waiting lists, and lack of clarity around entitlements.
Researchers from Aston University and the University of York discovered new insights into how the human brain makes perceptual judgments of the external world. They found that humans can exploit 'defocus blur' to infer perceptual scale, but this process is crude and more heuristic than metrical analysis.
Scientists from Centre for Ocular Research & Education (CORE) unveiled multiple advancements in 3D printing, accelerating development of drug delivery systems, biodegradable contact lenses, and pharmaceuticals. CORE's innovations include a novel method to fabricate PDMS microfluidic chips with high throughput.
Researchers at SUNY Optometry aim to provide a deeper understanding of the biology of myopia, a leading cause of vision impairment worldwide. The study will investigate cellular and molecular mechanisms controlling eye growth and develop new treatments for refractive errors.
A survey of community-living people with spinal cord injury revealed lower-than-recommended healthcare utilization rates for primary care, dental, and optical services. Demographic, socioeconomic, and injury-related factors contributed to disparities in healthcare access.
A recent study has found that people who wear reusable contact lenses are nearly four times as likely to develop a rare sight-threatening eye infection. The study identified multiple factors that increase the risk of Acanthamoeba keratitis, including reusing lenses or wearing them overnight or in the shower.
A study by Aston University confirms that taking a break every 20 minutes to look away from screens for at least 20 seconds reduces digital eye strain symptoms. The research, involving 29 participants, showed a marked decrease in symptoms such as dryness, sensitivity, and discomfort after using the reminders.
A low-cost device can capture 3D images of the retina, cornea, and back of the eye, revolutionizing eye screening and treatment globally. The technology has the potential to detect eye diseases like glaucoma and improve patient care.
A new University of Houston study finds racial and ethnic disparities in diabetic eye care, with Whites more likely to receive regular exams than minorities. The study also reveals that Hispanics have the highest prevalence of diabetic eye complications.
A recent study published in JAMA Ophthalmology found that depression is associated with more severe dry eye disease symptoms and overall signs. The analysis of data from a randomized clinical trial revealed this significant connection among 535 participants.
A new peer-reviewed study confirms MiSight 1 day contact lenses slow eye growth and halt myopia progression in 90% of children, with no loss of effectiveness over time. The longest-running soft contact lens study among children demonstrates sustained efficacy for nearly all children, regardless of age or initial refractive error.
A study of 12 million children found a moderate association between strabismus and anxiety disorder, schizophrenia, bipolar disorder, and depressive disorder. The findings suggest that children with crossed eyes may be at higher risk for developing these mental health conditions.
Researchers analyzed the impact of COVID-19-related lockdowns on nearsightedness progression in schoolchildren in Hong Kong. The study found that these measures can contribute to the worsening of myopia among children.
Phoebe Lin's research establishes a gut-eye association in animal models, finding that certain interventions can enhance Tregs and decrease eye inflammation. Her five-year grant will investigate how intestinal microbes and the immune system can be rebalanced to treat uveitis.
A study found that caffeine increases alertness and detection accuracy for moving targets, improving reaction times and visual processing. Researchers tested participants' dynamic visual acuity skills before and after caffeine ingestion, showing significant improvements in accuracy and speed.
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.
Researchers at Duke University developed a robotic imaging tool that can automatically detect and scan patients' eyes for eye diseases, producing clear images in under 50 seconds. The system uses optical coherence tomography and is designed to be safe and accessible for optometrist offices, primary-care clinics, and emergency departments.
Researchers at State University of New York College of Optometry discovered that visual contrast increases when reading outdoors, making it easier to see letters and improving eyesight. This finding has significant implications for basic research, eye clinics, and architectural design.
A new study by the University of Bradford reveals that people with early-stage glaucoma see contrast in a similar way to those without it, despite measurable vision loss. This underlines the importance of regular eye checks to detect glaucoma before damage is established.
A new literature analysis published in Ophthalmic & Physiological Optics provides a comprehensive review of evidence-based information for managing myopia. The paper discusses various safety and efficacy considerations for behavioral, optical, and pharmaceutical pathways, as well as potential future avenues for myopia management.
The study aims to evaluate the safety and effectiveness of MicroPine, an atropine eye solution, in slowing myopic progression in children aged 3-12 years. Participants will receive MicroPine or a placebo for three years, with some receiving it for four years, and comprehensive eye care, glasses, and travel expenses covered.
Researchers at Indiana University have used a technique originally developed to view stars more clearly to take the first undistorted images of the trabecular meshwork, a part of the eye involved in glaucoma. This breakthrough could lead to improved treatment for the condition, which affects millions worldwide.
Professional baseball players with faster hand-eye coordination tend to draw more walks and swing at pitches in the strike zone, indicating improved plate discipline. The study suggests that measuring hand-eye coordination may be helpful in player selection and training could potentially lead to better batting performance.
The new Canadian guideline recommends against routine screening for visual impairment in older adults living independently, as it does not prevent limitations on daily living. Instead, patients should make their own appointments for regular vision screening or seek help if they suspect visual problems.
A recent study from the University of Waterloo found that children with reading challenges may have lower than expected binocular vision test results, which could be compounding their academic difficulties. The study suggests that full eye examinations can be a valuable tool for identifying and addressing these issues.
Researchers found that batters follow different visual strategies when swinging versus taking a pitch, with more eye movement when not swinging and larger head movements when swinging. The study provides new insights into batting strategy at the plate.
A new study by University of Houston College of Optometry researchers found that wearing blue-light blocking glasses before bed increased nighttime melatonin levels by 58% compared to non-blocking glasses. Participants reported improved sleep quality, faster falls asleep, and longer sleep durations.
Researchers found that patients with diabetes have lower levels of substance P in their tears, indicating corneal nerve damage. Substance P measurement may become a non-invasive test to assess the risk of diabetic neuropathy.
A study found that Swedish optometrists recommend nutritional supplements, dietary changes, and smoking cessation to patients at risk of or with early symptoms of AMD. Optometrists were more likely to provide advice on diet compared to ophthalmologists.
A review of soft contact lens wear in children and adolescents found no higher incidence of adverse effects than in adults, suggesting they may be safer for younger patients. Greater parental supervision can help mitigate risks.
A study found that people with Down syndrome experienced nearly three times greater variability in autorefractor testing compared to a control group. This increased variability can lead to incorrect vision prescriptions and reduced chances of reaching the best possible refraction for those with Down syndrome.