Researchers found that DRAM2 gene mutations lead to loss of central vision and peripheral vision loss in older individuals, likely due to reduced autophagy and photoreceptor renewal. The discovery sheds new light on the condition and highlights the importance of collaboration between institutions.
A study of 3,353 Chinese adults in Singapore found the prevalence of glaucoma to be 3.2%, with primary open-angle glaucoma affecting 1.7% and primary angle-closure glaucoma affecting 1.5%. The study also highlighted the need for increased public awareness of this potentially blinding condition.
A new study found that patients with AIDS have a four-fold increase in the risk of developing intermediate-stage age-related macular degeneration, compared to those without HIV. The study suggests that chronic immune activation and systemic inflammation may contribute to this increased risk.
A new computerized vision-screening test, the Jaeb Visual Acuity Screener (JVAS), has been developed to identify children with subnormal visual acuity. The test uses a set testing algorithm to minimize subjective tester bias and provides simple pass/fail results for four age groups.
A new study published in the Journal of AAPOS found that rates of eye injuries from air guns increased by 511% between 2010 and 2012, with most cases occurring among minors. The authors suggest regulations and stricter marketing guidelines to prevent these preventable injuries.
A new study reveals a direct correlation between seasonal allergens and dry eye cases, with both conditions peaking in April. Dry eye can significantly impact quality of life, affecting millions in the US annually.
A new non-invasive OCT technology has been developed that can improve the clinical management of macular degeneration, diabetic eye disease and glaucoma, the leading causes of blindness in the United States. The technology allows for earlier diagnosis and treatment, enabling more timely intervention to prevent irreversible loss of vision.
RetroSense Therapeutics, a Wayne State University start-up, has received the prestigious Luis Villalobos Award for its innovative optogenetic gene therapy approach. The technology has the potential to treat all forms of blindness due to degenerated photoreceptors.
A new virtual reality testing environment provides a more realistic assessment of balance control in glaucoma patients. The study found that patients with glaucoma made balance adjustments 30-40% more pronounced than healthy subjects, highlighting the need for preventative measures.
Researchers found that severing corneal nerves during the first transplantation procedure releases high levels of Substance P, disabling T regulatory cells needed for acceptance of subsequent corneal transplants. This results in rejection of more than 90% of second corneal transplants in mice.
A study published in Investigative Ophthalmology & Visual Science reveals that cells multiplying on the eye's lens surface push neighboring cells towards the equator, mirroring a carnival game's coin movement. This insight may help scientists understand how the eye maintains its shape and develop cataracts.
Researchers developed a wearable collision warning device to help patients with peripheral vision loss avoid collisions. The device gave auditory warnings only when users approached obstacles, reducing collisions by 37% and improving mobility performance.
Researchers at the University of Pittsburgh School of Medicine have found that wisdom teeth stem cells can transform into corneal cells to repair scarring. The discovery could lead to new treatments for corneal blindness, a condition affecting millions worldwide.
A new study led by USC Eye Institute finds that ranibizumab may help reduce cases of blindness by 75 percent among Hispanic and non-Hispanic whites with diabetic macular edema. The treatment could potentially save the sight of thousands of working-age individuals suffering from diabetic eye disease.
A recent study of 20,000 Chinese children found that lower-income students had nearly twice the prevalence of nearsightedness as their middle-class counterparts. Using blackboards in classrooms may have played a protective role against myopia in poorer areas, but this was not statistically significant when adjusted for other factors.
A new gene, hexokinase 1 (HK1), has been linked to retinitis pigmentosa, an incurable eye disorder affecting millions worldwide. The discovery brings the total number of genes associated with this disease to over 60 and offers potential targets for drug treatments and gene therapy.
A new report from the Lasker/IRRF Initiative for Innovation in Vision Science explores approaches to restoring sight to those with retinal degeneration. The initiative aims to identify promising methods and accelerate discovery of treatments.
A new study finds that chronic hypertension increases a person's susceptibility to glaucoma by damaging blood vessels in the eye. This damage compromises the eye's capacity to cope with changes in blood flow, making hypertension a risk factor for the potentially blinding eye disorder.
A study published in The Lancet found that prostaglandin analogue eye drops can reduce the risk of vision loss in people with open angle glaucoma by over 50% over 2 years. The treatment showed significant benefits even after just 12 months, and more frequent testing can lead to faster data collection and improved drug development.
A study by the American Academy of Ophthalmology found that 7 out of 11 popular eye vitamins do not match scientific evidence, with some products containing lower doses of essential ingredients. The study highlights the importance of ophthalmologists educating patients on the proper use of nutritional supplements for AMD treatment.
A study published in JAMA Ophthalmology found that teleophthalmology did not result in worse visual outcomes, even though it led to longer wait times for treatment reinitiation. The teleophthalmology approach was cost-effective and reliable for patients with another eye disease, diabetic retinopathy.
Researchers use genetically engineered pig models to study human diseases and identify new drug targets for cancer, cardiovascular diseases, diabetes, neurodegenerative diseases, ophthalmology, and xenotransplantation. These models enable the development of novel cell therapies to restore diseased tissues and organs.
A new study published in JAMA Ophthalmology found that telemedicine screening detected diabetic retinopathy in approximately 21.7% of the participants, highlighting its potential as a critical tool for patients with diabetes who face barriers to accessing regular eye care.
Researchers have identified new properties in microbes causing conjunctivitis, enabling the bacterium to stick to and damage the eye surface. The discovery may lead to the development of a new vaccine to prevent this infection.
Researchers have developed a fast and inexpensive way to create custom facial prostheses using 3D printing technology, providing an affordable alternative to traditional prosthetics. The novel process can produce prosthetics in hours at a fraction of the cost of conventional ones, which can range from $10,000 to $15,000.
A study using a free peripheral vision assessment app on iPads screens approximately 200 patients in Nepal for glaucoma, showing promise for populations with limited access to traditional eye care. The results agree between 51-79% with the industry standard test and can be an effective initial screening tool for high-risk groups.
A new device called a punctum plug has been shown to be effective at reducing pain and inflammation following cataract surgery. The implant delivers the correct amount of postoperative medication, potentially solving issues of poor patient compliance with eye drops.
A large retrospective study found that nearly 60% of patients with both uveitis and multiple sclerosis (MS) are diagnosed with each condition within a five-year span. The study also revealed that MS is more likely to be diagnosed before or after uveitis, not simultaneously.
A new smartphone-based tool has been developed to monitor diabetic eye disease, offering comparable results to traditional equipment. The tool, called D-Eye, uses a small optical adapter that attaches magnetically to an iPhone and enables ophthalmologists to evaluate the severity of the disease.
A study released by the American Academy of Ophthalmology found that an implantable corneal inlay device improved near vision well enough for 80% of patients to read a newspaper without affecting far distance vision. The device is currently undergoing clinical review in the US and has shown promising results with minimal complications.
Researchers successfully used an iPhone application to image the inside of the eye, including in pediatric and immobile patients. The iExaminer system is a portable, inexpensive tool for fundus photography and videography, offering potential for prompt telemedicine consultations with an ophthalmologist.
A study led by Queen's University professor Robert Campbell revealed that using anti-inflammatory medicines after common eye surgery isn't helpful or necessary. The research found that steroids and nonsteroidal anti-inflammatory drugs do not affect the ability of laser treatment to lower eye pressure.
Researchers found a link between residential geography, time spent in the sun, and XFS risk. Wearing sunglasses for summer hours reduced odds of XFS by 2%.
The Pioneer Award recipients have made significant contributions to gene therapy for retinal degeneration. Their research has led to proof-of-concept studies demonstrating the feasibility of using gene therapy to repair photoreceptor defects in the eye.
A new study from USC Eye Institute reveals that Native American ancestry is a significant risk factor for vision-threatening diabetic retinopathy among Latinos with Type 2 diabetes. The research found individuals with more than 50% Native American ancestry had an 87% higher chance of developing severe diabetic retinopathy.
A new DNA test can identify the exact genetic cause of congenital cataracts in 75% of cases, allowing for earlier treatment and genetic counseling. The targeted next-generation sequencing test has been shown to be effective in diagnosing rare diseases associated with childhood blindness.
A study by the JAMA Network found that vision loss significantly impacts daily life and can increase mortality risk. The research highlights the importance of addressing vision impairment to prevent adverse outcomes.
The study found that gram-positive bacteria, including staph and strep infections, accounted for 95 percent of endophthalmitis cases. The findings suggest better treatment with targeted antibiotics, but also highlight increasing resistance to certain antibiotics.
The study highlights the need for improved screening and access to treatments for diabetic macular edema, a leading cause of blindness in diabetic patients. African Americans have a higher burden of diabetes-related vision loss due to problems with access to care.
Research found that cholecystokinin octapeptide-8 (CCK-8) protects human retinal pigment epithelial cells by suppressing apoptosis triggered by peroxynitrite. The study suggests a potential therapeutic role for CCK-8 in treating age-related macular degeneration.
Researchers found that HSP72 protects retinal ganglion cells and lateral geniculate body in a rat model of chronic ocular hypertension from injury by blocking the activation of the stress-activated kinase/c-Jun N-terminal kinase apoptotic pathway. Zinc sulfate inhibited HSP72 expression, while quercetin induced its expression.
Researchers have created a high-resolution molecular map of the choroid, supplying blood and oxygen to the outer retina, revealing patterns of protein abundance that may be critical in vision loss. The map helps explain why certain areas are more susceptible to disease and identifies potential treatment targets.
Robert E. Marc, a renowned vision scientist at the University of Utah, has been awarded the Paul Kayser International Award for his significant contributions to understanding vitreoretinal diseases and disorders. The award recognizes Marc's groundbreaking work on retinal mapping and neural pathways.
A study by Mainz University Medical Center found that higher levels of education and prolonged school years are associated with a greater prevalence and severity of nearsightedness. This challenges the long-held assumption that genetic factors play a more significant role in the development of myopia.
A clinical trial shows that integrated low vision and mental health treatment can reduce depression in AMD patients by half. The approach combines behavior activation therapy with low vision occupational therapy, leading to improved functional vision and mood.
Researchers from Boston University School of Medicine will analyze genomic data from 11,000 individuals to identify rare genetic variants that may protect against or contribute to Alzheimer's disease risk. The study aims to uncover the biological pathways underlying the disease and potentially lead to novel therapeutic targets.
A NIH-funded study found that telemedicine screening for ROP in premature infants can correctly identify cases with 90% accuracy. The approach, which involves sending photos of baby eyes to a distant image reading center, could help ease strain on hospitals and improve care for underserved areas.
Research shows higher education levels and more years spent in school are associated with a greater prevalence and severity of nearsightedness. Outdoor activity and exposure to daylight are linked to reduced risk of myopia, suggesting environmental factors may outweigh genetics in its development.
A new multicenter study validated a telemedicine approach to screening for retinopathy of prematurity (ROP), a leading cause of treatable blindness in preterm babies. Trained non-physician evaluators accurately identified high-risk eyes, suggesting this method could help prevent thousands of kids from going blind.
Researchers found that omega-3 fatty acids can regulate choroidal angiogenesis and vascular leakage by modulating micro-environmental immune cell recruitment. This mechanism suggests a unique pathway for disease resolution and potential therapeutic applications in age-related macular degeneration.
A long-term population-based cohort study found that using vasodilators was associated with a 72% greater risk of developing early-stage AMD. Oral beta blockers were also linked to an increased risk of neovascular AMD, a more advanced and vision-threatening form.
Two Harvard Medical School faculty members, Patricia D'Amore and Joan Miller, have been recognized with the 2015 Proctor Medal and Mildred Weisenfeld Award for Excellence in Ophthalmology, respectively. Their groundbreaking research on vascular growth and development has led to significant advancements in anti-angiogenic therapies, imp...
Two studies in JAMA Ophthalmology investigated glaucoma medication adherence, finding that a sizable number of patients struggle to use prescribed eye drops. Electronic monitoring revealed that 82.8% of patients took their medication correctly on at least 75% of days, highlighting the need for risk calculators to identify nonadherent p...
Researchers found that a 'treat and extend' strategy can reduce the average number of visits and injections from 12 to 8.3 times per year for patients with age-related macular degeneration. This approach could lower the financial burdens on patients, families, and government.
Researchers have developed a new gel-based eye fluid called Healaflow that stabilizes the eye during healing after retinal detachment surgery. This new product does not appear to inflict additional damage on the retina, setting it apart from other alternatives.
Researchers have recreated the 3D architecture of the cornea to facilitate the transplant of healthy corneal stem cells. This innovation restores sight by replacing damaged cell layers with functional ones.
Researchers developed methods to convert stem cells into eye cells that could be used to replace damaged tissue in patients with impaired vision. The studies involved converting cells into nerve cells or introducing stem cells to a growth factor, resulting in tissue resembling the developing eye.
A study of over 400 Vietnamese patients found a significant decrease in falls after cataract surgery on one eye, with risks reduced by 78% the year following treatment. Researchers monitored patients before and after surgery to track the impact of improved vision on daily life.
Researchers developed a thermoresponsive adhesive that warms up and seals wounds, then reverts to its non-adhesive form when cooled. The technology could prevent retinal detachment and vision loss in military-related eye injuries.
Researchers have developed gene therapies to prevent and treat blinding diseases, including choroideremia and retinitis pigmentosa. These treatments involve replacing missing genes in the cells at the back of the eye, resulting in improved vision for some patients.