Researchers at UAB and SUNY-Buffalo found no retinal degeneration in mice with a K42E mutation of the DHDDS enzyme, but massive gliotic activation in their retinas. This challenges the conventional view of RP59 as a congenital disorder of glycosylation.
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.
A new clinical trial funded by the National Eye Institute found that vision therapy for convergence insufficiency does not improve reading test scores in children. While in-office vision therapy can improve visual function, it fails to lead to better reading fluency and comprehension.
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.
Researchers developed a new non-invasive optical imaging system to diagnose and treat dry eye disease. The Tear Film Imager images layers of the tear film with speed and precision, providing nanometer-level insight into subtle changes in each layer.
QUT researchers have developed a new method for analysing Optical Coherence Tomography (OCT) images using deep learning techniques to detect and track eye diseases such as glaucoma and macular degeneration. The team's findings show that their program is reliable and more accurate than standard image analysis methods.
A new study suggests that outdoor light exposure may help prevent myopia in children by thickening the choroid behind the retina. The research aims to develop targeted treatment options to slow down myopia progression and improve eye health.
Researchers found that a diet high in antioxidants from foods like citrus fruits, capsicum, and dark green vegetables can delay the onset of age-related cataracts. The study suggests that such a diet could halve the number of people requiring cataract surgery.
Scientists inserted a green-light receptor gene into the eyes of blind mice and, a month later, they regained sight. The researchers aim to develop this therapy for humans within three years, potentially restoring their ability to read or watch video.
Researchers developed an image-processing algorithm that can automatically detect fluid on the retina with high accuracy. Early diagnosis is crucial as diabetic retinopathy can cause irreversible vision loss if left untreated.
A study published in Optometry and Vision Science found that dry eye syndrome can slow a person's reading speed by up to 10% and make it difficult to read for more than 30 minutes. The condition affects millions of adults in the US, causing ocular discomfort and visual problems.
The University of Chichester is leading research to create sport-specific classification systems for blind football. The project aims to establish minimum impairment criteria and validated tests for future work, ensuring fairness and inclusivity in the sport.
Researchers at the University of Houston have developed a new environment for repairing eyes using hyaluronic acid. By creating an ideal substrate layer with high concentrations of hyaluronic acid, they aim to improve the treatment of patients with limbal stem cell deficiency, which can lead to opaque corneas.
Research reveals abnormal vision in childhood can impact attention and brain development. Studies show that patients with lazy eye have difficulty directing attention to the weaker eye when both eyes are open.
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.
A new diagnostic technique has been successfully tested at the University of Bradford, allowing for the isolation of responses from S-cone photoreceptors. This breakthrough could help in the diagnosis of diseases such as Types 1 and 2 diabetes, glaucoma, and high blood pressure.
Researchers found slight improvements in vision after eating dark chocolate, particularly in visual acuity and contrast sensitivity. The effects of dark chocolate on vision remain unknown beyond the short-term, and further studies are needed to confirm these findings.
PolyU has won several prizes at the International Exhibition of Inventions of Geneva, including the Grand Prize for its Defocus Incorporated Multiple Segments (DIMS) Spectacle Lens for Myopia Control. The lens can slow down myopia progression in children by 60% and provides clear vision.
The study, funded by the National Eye Institute, tested oral omega-3 supplementation on patients with dry eye disease. Despite finding some improvement in symptoms and signs, researchers concluded that omega-3 supplements did not show a beneficial effect relative to placebo.
A study found differences in the brains of athletes playing contact sports versus noncontact sports, particularly in regions responsible for visual processing. The findings suggest that a history of minor blows to the head may lead to compensatory changes in brain function related to eye movement.
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.
A recent study found that less than one-third of glaucoma patients discuss medication costs with their doctor. High costs are a significant barrier to adherence, and doctors should consider discussing medication costs during visits to prompt a discussion. The study analyzed video recordings of 275 office visits and suggested further re...
Researchers at UC Berkeley and University of Toronto have discovered lipid mediators that may halt glaucoma progression. The study found that lipoxins A4 and B4 secreted by astrocytes can stop retinal ganglion cell degeneration, offering a potential treatment for this neurodegenerative disease.
A new study by Ohio State University finds that moderately farsighted preschoolers have poorer scores on attention-related tests. The research suggests that uncorrected vision problems in young children can lead to deficits in learning and literacy.
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.
US medical expenditures increased by 47% between 1996-1997 and 2011-2012, driven largely by prescription drug use. Expenditures rose in most categories except primary care physicians and home health care, with the largest increases seen in specialty physicians, emergency department visits, and prescribed medications.
Medical expenditures in the US have increased by 47% between 1996-1997 and 2011-2012, mainly due to higher prescription drug use. However, primary care physician visits and home health care costs remained relatively stable.
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 Queensland University of Technology study found that 30% of Year 3 students had uncorrected eye problems impacting their academic performance. Children with vision issues had significantly lower NAPLAN scores in reading, spelling, and numeracy.
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.
Researchers found that patients with early mucin deposits had a higher rate of corneal infiltrates, but those with repeat deposits were less likely to experience problems. Mucin deposits may act as a protective barrier between the lens and ocular surface.
Researchers found that Japan has unique color terms like 'mizu' and 'kon', while the US uses words like 'teal' and 'lavender'. The study reveals differences in color language between modern societies, highlighting the evolution of color terminology through interaction.
A new article published by JAMA Internal Medicine describes the successful implementation of a large-scale primary care-based teleretinal diabetic retinopathy screening program in Los Angeles County. The program eliminated the need for over 14,000 specialty visits and reduced wait times for screening by 89.2%.
Earl Smith's research seeks to determine how visual experience affects refractive development and explore new pharmaceutical approaches to eliminate myopia. The goal is to slow the progression of nearsightedness in children, addressing a growing global epidemic that affects over two billion people.
Researchers assessed the connection between stress and progressive vision loss from AMD using the Perceived Stress Scale. The study found that stress-reduction approaches may improve outcomes in AMD patients, and future studies could investigate the relationship between perceived stress levels and disease progression.
Researchers found that GARP2 accelerates retinal degeneration in mice, while GARP1 slows its negative effect when both proteins are present. They also developed a standardized nomenclature for OCT measurements in mice, facilitating comparisons with human studies.
Researchers found that using red-channel images improved the detection of diabetic macular edema, a complication of diabetes leading to blindness. The study suggests that this method could offer a clear-cut advantage in under-served groups with high rates of diabetic eye disease.
A new healthcare model integrating obstetrics, gynecology, pediatrics, and behavioral health has significantly reduced the utilization of emergency services and hospital days for pregnant women and their newborns. The study found annual savings of over $800,000 for pregnant women and $1.6 million for newborns.
Vision problems are commonly reported in children with concussions and are independently associated with academic difficulty. Blurred vision and difficulty concentrating are among the most common symptoms affecting academic performance in pediatric patients.
A Cardiff University study found that home-based rehabilitation significantly improves visual function and daily life for people with low vision. Home visits by visual rehabilitation officers led to a greater improvement in visual function compared to standard hospital appointments.
A groundbreaking contact lens therapy has been shown to be effective in slowing the progression of myopia in children, with a significant reduction in refractive error and axial length. The study also found high satisfaction rates among both children and parents, with rapid acceptance of contact lens wear.
A study published in Optometry and Vision Science found that cataracts are associated with higher rates of depressive symptoms in older adults, regardless of education level or socioeconomic status. Symptoms were more common in women and those with lower vision acuity.
A study published in Optometry and Vision Science found that protamine solutions perform at least as well as current disinfectant solutions in killing microbes that can cause contact lens-related infections. Protamine's broad spectrum of antimicrobial activity makes it a potential alternative for multipurpose disinfection solutions.
A new imaging method has captured the daily disposal and regeneration of photoreceptor cells in a living human eye, revealing crucial insights into blinding diseases such as age-related macular degeneration and retinitis pigmentosa. The study's findings have the potential to improve our understanding of vision and eye health.
A study by Ohio State University researchers found that taller individuals have a natural advantage when it comes to spatial relations and judging the location of targets in their middle-distance vision. This ability is particularly important in situations with limited visual cues, such as darkness or obstacles.
A study found that internal astigmatism remains stable over time, contradicting the theory that the lens adapts to compensate for irregular eye shapes. The researchers analyzed 367 individuals with myopia and compared their data to 204 subjects without myopia.
A recent study published in Diabetes Care journal reveals a significant rise in diabetes-related vision loss worldwide. The 20-year period saw a 64% increase in people with moderate or severe vision impairment due to diabetes, primarily attributed to poor glucose control and limited access to eye health services.
A special issue of Optometry and Vision Science presents research on contact lens discomfort, a common problem affecting millions worldwide. New findings suggest that corneal pressure sensitivity and inflammatory mediators may contribute to discomfort, but the relationship is complex.
Researchers created a virtual tissue model of diabetes in the eye, predicting how a small protein causes vision loss and blindness. The study aims to develop new treatment methods for diabetic retinopathy, a leading cause of blindness worldwide.
A study found that routine eye exams lead to a change in vision prescription or other changes in care for over half of asymptomatic patients. The study also showed that older patients and those with longer intervals between visits were more likely to experience significant changes.
A study published in The Journal of General Physiology found that two specific mutations in the Cx26 protein cause distinct symptoms in KID Syndrome patients. Hemichannels containing the N14Y mutation showed lower ion conductance, while those with the N14K mutation were more stable and allowed robust ion conductance.
A study published in Optometry and Vision Science found that visual blurring, like bifocals or progressive lenses, can cause errors in foot position when walking. This can contribute to the risk of tripping and falling in older adults, especially in challenging environments.
Researchers have designed three new eyeglasses using high-power prisms to optimally expand the visual fields of patients with hemianopia, a condition that affects over one million Americans. The new devices address limitations of existing prism technology and may provide additional range of vision when scanning in both directions.
Recent research reveals that visual brain maps are dark-centric, with greater precision for darker stimuli. This dark-centric organization enables the brain to represent different positions of light spots as rotating around a dark anchor in visual space.
Children with uncorrectable vision problems are twice as likely to have a diagnosis of ADHD, according to a nationwide study. The researchers analyzed data on over 75,000 children and found that those with vision problems not correctable by glasses or contact lenses had a higher prevalence of ADHD.
Roger L. Boltz, a longtime UH optometry professor, has been recognized as Educator of the Year by the Texas Optometric Association for his commitment to advancing the profession and fostering academic excellence. He is also an associate dean at UH, overseeing finance and administration.