Articles tagged with Eye
A team of Rice University bioengineering students has developed a portable device that controls air around the eyes to help doctors diagnose dry eye. The ClimaTears device uses modified goggles with embedded data sensors to monitor temperature, humidity, and air flow, providing clues about treatment options.
Scientists are investigating a novel treatment approach for traumatic optic nerve damage, with the goal of preventing permanent vision loss. By targeting an enzyme that regulates adenosine production, researchers hope to strengthen the body's natural anti-inflammatory response.
A National Eye Institute-funded study found Asian Americans' glaucoma risk to be 6.5%, similar to U.S. Latinos. The study identified ethnic groups with higher rates of narrow-angle and normal-tension glaucoma, emphasizing the need for targeted eye care.
A new 'halometer' tool allows researchers to assess visual disturbances in night vision. The device, developed at the University of Granada, uses software and a chin cup with a forehead holder to measure the effects of halos on observers.
A recent study published in Investigative Ophthalmology & Visual Science found that a drop in temperature below 30 degrees Celsius can cause the meibum to become too thick and stiff, leading to dry eye suffering. This effect is exacerbated by wind, which accelerates the drop in temperature of the ocular surface and eyelids.
Researchers developed a curvilinear camera with adjustable zoom capability inspired by the human eye. The camera combines simplicity and versatility, enabling applications in night-vision surveillance, robotic vision, endoscopic imaging and consumer electronics.
A study found that acupuncture improved visual acuity in older children with lazy eye, comparable to patching therapy. Acupuncture was well-tolerated and showed promising results in treating anisometropic amblyopia.
The number of retinal procedures nearly doubled between 1997 and 2007, driven by new treatments for neovascular AMD. Vitrectomy, a surgical removal of the eye's gel, increased significantly, while injections of drugs into the eye also rose substantially.
A study published in the American Academy of Ophthalmology's journal found that photoscreening was effective in detecting amblyopia in Iowa children, with a success rate of over 95%. The method, which uses technology to record the pattern of light reflected through each pupil, showed promise as a cost-effective way to identify the cond...
A new technique developed by Dr. Scott Oliver may revolutionize the treatment of eye cancer, preventing blindness in most patients by blocking up to 55% of harmful radiation with silicone oil.
A new species of plant-eating dinosaur, Jeyawati rugoculus, has been discovered in western New Mexico. The dinosaur is believed to have had a unique chewing mechanism that includes large scales above its eye, providing protection from predators.
A new vision screening model, EyeSmart EyeCheck, will test for damage from eye diseases to detect undiagnosed visual impairment. The initiative aims to raise awareness and provide access to care for minority populations with limited access to health services.
Scientists have developed a new diagnostic method using Raman spectroscopy to detect biochemical changes in retinal cells, revealing the presence of glaucoma. The test detected glaucomatous changes with 90% accuracy in animal retinal tissue testing.
A recent study published in Neurology found that people with ocular shingles are four-and-a-half times more likely to experience a stroke compared to those without the infection. The research also discovered that individuals with ocular shingles were more likely to have ischemic strokes and less likely to have hemorrhagic strokes.
Researchers have identified two molecules, K and D, that stabilize brain circuitry development and enhance visual learning in mice. Removing these molecules can improve performance in visual tasks.
A recent study found that Iraq and Afghanistan veterans with TBI vision loss have significantly poorer quality of life than comparable civilians. Low-vision patients may also experience vivid visual hallucinations due to Charles Bonnet syndrome, which can be treated by ignoring the images or medication.
Dr. Michael W. Brennan leads a team of American physicians working with Iraqi physicians to provide improved care as the country recovers from war traumas. He has been instrumental in developing a national emergency medical system and mental health programs, transforming Iraq's medical education and patient care.
The ARVO Foundation for Eye Research and Pfizer Ophthalmics are honoring Dr. Carl B. Camras with a series of awards recognizing excellence in early-career researchers working on novel vision research. The awards aim to support the development of innovative treatments and prevention strategies for eye disorders.
A study by Purdue University researchers found that athletes who perform well perceive their targets as larger, while those who struggle see them as smaller. This effect is observed even when the actual optical information remains constant.
Researchers at Boston Children's Hospital have developed a drug-dispensing contact lens that can gradually release medication to the eye. The prototype lens dispensed antibiotic ciprofloxacin for up to 30 days in laboratory testing, with potential applications in conditions like glaucoma and dry-eye.
The IU School of Optometry has been awarded a $2.2 million grant from the National Institutes of Health to support its vision research program. The grant will enable researchers to improve their infrastructure, including electronics, machine shop, and scientific computing resources.
A study by the University of Alabama at Birmingham found that even minor changes in eye biology can inform lens-wear prescribing and patient preference. The research, led by Lucy Kehinde, collected tears from 80 volunteers wearing different types of contact lenses to identify key cytokine markers for eye-disease prevention and treatment.
The University of Melbourne's bionic eye project received a $50 million funding boost from the Federal Government, with plans to conduct its first clinical test within two years. The project aims to develop a high-resolution bionic eye that can differentiate between objects beyond current capabilities.
A study analyzing nearly 290,000 individuals found that those without health insurance were less likely to regularly seek eye care. Eye disorders have a significant economic impact in the US, estimated at over $51 billion annually.
A new study published in Ophthalmology highlights the association between skin moles and freckles and a higher risk of uveal melanoma, while also reassuring on the low infection rates following cataract surgery. The research found that people with atypical moles are 2.8 times more likely to develop uveal melanoma.
A new surgical implant called Retisert has been successfully tested at the University of Iowa to treat sympathetic ophthalmia, a rare eye condition that can lead to complete vision loss. The implant provides slow-release immunosuppression to the affected eye, reducing or eliminating the need for systemic medications.
Research reveals that sleep consolidates cortical plasticity through strengthening responses to non-deprived eye stimulation. Key mechanisms include NMDAR- and protein kinase A-mediated intracellular cascades, promoting synaptic strengthening and neuronal remodeling.
Five Brown University faculty, including neuroscientist David Berson and brain scientist John Donoghue, have been elected as fellows of the American Association for the Advancement of Science. They were recognized for their contributions to various fields, including visual neuroscience, marine ecology, and cell biology.
The Virginia Tech Center for Injury Biomechanics received the Army Modeling and Simulation Award for developing the Facial and Ocular Countermeasures Safety (FOCUS) headform, a state-of-the-art test dummy capable of measuring impact loads to the face and eyes.
Researchers found that statin use is linked to rare eye disorders in some patients, including double vision, drooping eyelids, and loss of eye range of motion. A new system, the ocular trauma score, helps predict visual recovery for soldiers with combat eye injuries.
Researchers at Ohio State University found that popular football helmet faceshields can withstand high-velocity impacts equivalent to a kick in the face. The shields maintained structural integrity and optical quality, providing protection without disrupting players' vision.
A study found a correlation between optic nerve damage in glaucoma patients and significant carotid artery narrowing, potentially increasing stroke risk. Additionally, a survey on religious beliefs and fasting reveals that adherence to faith-related taboos can impact patient compliance with ocular treatment.
A study of 11 pediatric patients treated for golf-related eye injuries found that most injuries occur during unsupervised play or with other children wielding golf clubs. The authors recommend close adult supervision, protective eyewear for children learning to play golf, and secure storage of golf equipment.
A UCLA study found that fat expansion in the eye socket is the primary cause of baggy lower eyelids with age, contrary to long-held theories. The researchers suggest incorporating fat excision into treatments for patients seeking to address this common complaint.
Biologists at the University of Virginia discovered a switching mechanism in the eye that regulates sleep/wake cycles in mammals. The finding demonstrates that light receptor cells play a key role in setting the brain's primary timekeeper, leading to potential new treatments for sleep disorders and visual impairments.
The new telescope glasses offer a wide-field telescope made of straight and curved mirrors built completely within the spectacle lens, reducing the appearance of the device. This design enables the wearer to simultaneously view the magnified field above the unmagnified view of the uninterrupted horizontal field.
Recent discoveries of flatfish fossils have revealed a gradual evolution of asymmetrical skulls, contradicting Charles Darwin's explanations for the species' unique anatomy. The fossils, dated to the Eocene epoch, show intermediate stages between modern flatfish and their primitive ancestors.
A large-scale Medicare study evaluated the outcomes of incisional surgeries used to reduce eye pressure in patients with glaucoma. The study found that while surgeries were effective for most patients, rates of severe outcomes and progression to low vision or blindness were higher for those who received implantation of a glaucoma drain...
Two alternative test methods, the bovine corneal opacity and permeability (BCOP) assay and the isolated chicken eye (ICE) assay, have been accepted for ocular safety testing. These non-animal tests can identify substances that may cause permanent or severe eye damage, reducing animal use in this area.
A new study found strong evidence for a genetic marker on chromosome 5 linked to nearsightedness, which explains 80% of axial length variations. The research also highlights the importance of using vitamins and minerals correctly to prevent AMD vision loss in patients.
Researchers at Michigan Medicine created a device that measures metabolic stress, detecting eye disease before symptoms appear. The instrument provides accurate results in detecting vision loss and characterizing disease progression.
The collaboration between ophthalmology and facial plastic surgery has led to fresh approaches in clinical problems, exemplified by well-designed clinical studies. Articles in this issue of Archives of Ophthalmology showcase new technology and precise measurements during eyelid surgery.
A Cornell University study found that changing the label on a wine can significantly impact diners' perceptions of the wine and their overall meal experience. Diners who were given wine from California rated it higher in quality, enjoyed more of their meal, and were more likely to return to the restaurant.
Researchers developed a one-step test using holograms to diagnose astigmatic error, a key factor in prescribing glasses. The new technique is simpler and faster than traditional methods, which involve multiple lenses and complex processes.
Researchers at Stanford University School of Medicine found a new syndrome occurring in the Chinese population that may not lead to severe vision loss or blindness. The condition affects young and middle-aged individuals with normal eye pressure and nearsightedness.
A study found that Dry Eye Syndrome (DES) significantly impacts daily activities such as reading, computer work, professional work, and watching TV. DES affects an estimated 4.8 million people in the US, with women more likely to be affected than men.
A preliminary study suggests that high-resolution CT scan modeling allows surgeons to custom-design acrylic implants prior to reconstructive surgery for patients with severe defects in their faces and eye cavities. Long-term outcomes showed no significant complications, sustained improvement of facial deformities, and improved function.
UK doctors report a case where a patient's vision was severely damaged by taking prednisolone purchased online for four years. The authors highlight the risks of counterfeit and unregulated medications sold on the internet, which may interact with other treatments or have side effects.
Guyton, a renowned pediatric ophthalmologist, has been awarded the ARVO's Weisenfeld Award for his exceptional work on strabismus and amblyopia. He is also a respected educator and leader in the vision community, with numerous awards and honors to his name.
The US-India collaboration aims to address blindness and low vision, impacting every nation worldwide. The partnership identifies key areas for collaborative research and training, including the Human Ocular Phenome/Genome Evaluation project.
Researchers have discovered that a specific neural stem cell gene, SOX2, is crucial for the normal development of the eye. The study found that disruption of this gene leads to abnormalities in eye formation and microphtalmia, a condition affecting 10% of human cases. The severity of the condition depends on the degree of SOX2 disruption.
A recent Johns Hopkins Medicine study found that a single dose of azithromycin significantly reduces the risk of trichiasis recurring for up to one year after lid surgery. The researchers compared azithromycin to six weeks of topical tetracycline treatment and found that azithromycin resulted in one-third fewer recurrences.
The ARVO/Pfizer Ophthalmics conference aims to improve research and clinical care in areas of ophthalmology related to preventable vision loss and blindness. The meeting will explore topics such as angiogenesis, neovascularization, and vasoproliferation.
A recent study found that even slight squinting while staring at a computer monitor can lead to reduced blinking rates, resulting in dry eye symptoms. Researchers used tiny electrodes to measure muscle activity, revealing a significant decrease in blink rate from 15 blinks per minute to just 4 blinks per minute when participants squinted.
A ferret study found that restoration of binocular vision began in as little as 30 minutes and improved significantly within four hours. The researchers discovered that blocking protein synthesis did not affect recovery, suggesting preserved basic visual wiring during deprivation.
A new study found that radiation therapy can effectively control primary tumors and spare vision in patients with uveal melanoma. The procedure involves plaque radiotherapy, which delivers radiation to the eye tumor via a small metal shield containing radioactive seeds.
Researchers explored commercially important ingredients and delivery technologies in a symposium on cosmetic nanotechnology. Novel formulations, such as synthetic nanocarriers that encapsulate Vitamin E, were presented to improve skin and hair care products.
A University of Minnesota researcher reports 14 cases of NAION linked to Viagra use. Patients had arteriosclerotic risk factors and low cup to disk ratios, increasing risk of permanent vision loss.
Researchers at ASU have identified a suite of five molecules called polyenal lipochromes that color parrot plumage red. These pigments are unique to parrots and provide their vibrant colors, challenging previous assumptions about bird coloration.
The American Academy of Ophthalmology published a comprehensive collection of 60 case studies covering diverse ophthalmic topics including sebaceous carcinoma, refractive errors, glaucoma, and more. The studies provide valuable insights into the diagnosis and management of various eye conditions.