Articles tagged with Ophthalmology
Regular physical activity can significantly reduce the risk of developing glaucoma, with study participants showing a 73% lower risk compared to less active individuals. Exercise has been found to impact eye pressure, a major risk factor for the disease, although more research is needed to confirm the exact relationship.
A new study of patients who underwent laser treatment to vaporize floaters found a very low complication rate and significant improvement in vision. Most patients reported no complications and experienced improved vision after the procedure.
A new neurostimulator device inserted into the nose has shown significant relief for people suffering from dry eyes, increasing tear production and producing a complete tear. Researchers tested 97 patients with moderate to severe dry eye and reported no side effects.
A new smartphone app has shown comparable results to in-office vision testing for patients with age-related macular degeneration and diabetic retinopathy. The Checkup app encourages patients to take an active role in their care, sending reminders and storing test results securely.
The American Academy of Ophthalmology and Research to Prevent Blindness announce a new grant opportunity to support researchers using the IRIS Registry database for population-based studies in ophthalmology and blindness prevention. The grants will help advance patient care by leveraging big data analytics.
A new gene therapy has shown significant improvements in vision for patients with Leber congenital amaurosis, a rare inherited retinal disease. The treatment, currently under FDA review, allows patients to navigate mazes and experience improved light sensitivity and peripheral vision.
The 121st annual meeting of the American Academy of Ophthalmology features keynotes from CMS Administrator Seema Verma and a world-renowned expert on inherited eye disease. The meeting also explores innovations in big data, stem cell therapy, and gene therapies to improve patient care.
Children considered at risk for retinoblastoma should receive genetic counseling and testing as soon as possible to detect the disease early. The new guidelines aim to improve care for these children by focusing on those at highest risk while reducing unnecessary examinations.
Two new studies published in the Journal of AAPOS found that all 70 infants with suspected and confirmed CZS had visual impairment, regardless of ocular abnormalities. Cortical visual impairment may be the most common cause of blindness among children with CZS.
A new study has identified potential lipid biomarkers in human blood plasma associated with age-related macular degeneration, which may lead to earlier diagnoses and better treatment options. The study's findings also suggest that metabolomics profiling may provide novel insights into the relationship between lipids and AMD.
Researchers found that art observation training significantly improved observational recognition skills among first-year medical students. The study also showed improvements in empathy and emotional recognition, as well as an increase in open-mindedness. Art training alone can help teach medical students to become better clinical obser...
A new study published in PNAS identifies two key compounds that can reduce the severity of age-related macular degeneration (AMD) by regulating inflammatory immune cells. The findings have significant therapeutic implications for AMD and other conditions involving angiogenesis and inflammation.
A study of over 30,000 older US adults found that visual impairment is associated with worse cognitive function. Visual dysfunction was also linked to broader limitations in function from cognitive and directly visual tasks.
A study published in JAMA Ophthalmology found that laser treatment, YAG vitreolysis, significantly improved symptoms of eye floaters in 54% of patients, with 53% reporting complete improvement. The procedure also showed improvements in quality of life, including general vision and independence.
Researchers found that repetitive training using stereoscopic stimuli can improve reaction speed and processing time in athletes. After six training sessions, the athletes' processing time decreased significantly, and this ability remained stable for six months after the training ended.
A nutraceutical called Longevinex has been shown to reduce the time it takes for older eyes to adapt to the dark, predicting future onset of macular degeneration. The study found that 12 out of 14 eyes tested improved or were stable after using Longevinex.
A new study led by Massachusetts Eye and Ear researchers found that the brains of blind individuals make new connections to compensate for visual information, enhancing abilities like hearing, smell, touch, memory, and language. The findings could lead to more effective rehabilitation efforts for blind individuals.
A study found a 30-fold increase in eye injuries linked to laundry detergent pods among preschool-aged children in the US between 2012 and 2015. The number of chemical burns associated with these devices rose from 12 instances in 2012 to 480 in 2015.
A study from Michigan Medicine reveals significant disparities between patients' self-reported eye symptoms and their electronic medical records. The study analyzed 162 Kellogg patients and found that only 38 had exact agreement between their survey responses and medical records, with symptom reporting driving the inconsistencies.
Researchers found inconsistencies between patient self-report on an Eye Symptom Questionnaire (ESQ) and documentation in the EMR, with 34% having different reporting of blurry vision. This study highlights the importance of accurate symptom documentation for high-quality patient care.
Advances in telemedicine and anti-VEGF treatments offer new hope for patients with retinopathy of prematurity. New technologies are transforming the care of ROP patients, enabling more widespread treatment options.
A survey of 393 hospital neonatal intensive care units found only 56% believe there are enough ophthalmologists to screen and treat retinopathy of prematurity. Screening can be done with telemedicine, but only 21% of respondents used retinal imaging devices, with half being unsure about its safety.
A small study found an abnormality involving the retina that may account for altered vision in regular cannabis users. The study used pattern electroretinography to measure retinal ganglion cell function and found a significant delay in transmission of action potentials.
A recent study by Queen's University researcher Dr. Robert Campbell found that young ophthalmologists are struggling to secure practice opportunities after total provincial surgical rates plateaued in Ontario. The study suggests a pressing need for effective career counselling and policy changes to address the issue.
A study published in JAMA evaluated an algorithm using deep machine learning to detect referable diabetic retinopathy, achieving high sensitivities and specificities. The algorithm was validated on two separate data sets, showing promise for increasing efficiency and coverage of screening programs.
Researchers used OCT imaging to examine retinal layers in infants with congenital Zika syndrome. The study found severe neurosensory retinal thinning and visual impairment in newborns, highlighting the need for further studies on visual function correlation.
Research investigates links between dental occlusion, temporomandibular joints, and vision. Malocclusions, myopia, astigmatism, and cross-bite prevalence found in patients with malocclusions, suggesting a clinical connection.
A case report reveals that high-dose lutein supplements can cause the formation of crystal deposits in the eyes, highlighting the importance of balanced intake. The study suggests that patients should follow a diet rich in eye-healthy foods and only take AREDS2 supplements as recommended by their ophthalmologist.
Researchers developed an innovative procedure to transplant the Bowman layer, stabilizing 90% of eyes and improving corrected vision to 20/200. The technique may enable patients to wear extended contact lenses and is safer than traditional full corneal transplantation.
Researchers are testing two new treatments for presbyopia, a condition that causes blurry near vision. Femtosecond laser reshaping of corneal tissue and electrostimulation have shown potential benefits over traditional procedures.
A wearable artificial vision device has vastly improved the daily productivity of visually impaired patients, with an average score of 9.8 out of 10 after one week of use. The device, which clips to glasses and features a miniature camera, recognizes text and faces, and reads them aloud via a bone-conduction earpiece.
Researchers found that 57% of patients achieved 20/40 vision without glasses or contact lenses after five years, while some side effects included endothelial cell loss. The study suggests Phakic ICLs may be a viable option for those unsuitable for LASIK.
Researchers found that people who closely follow the Mediterranean diet, especially consuming fruit and caffeine, have a lower risk of age-related macular degeneration. A significant reduction in risk was observed among those with higher diet adherence scores, with only 39% developing AMD compared to 50% of non-adherents.
BMJ has launched a new fully open access international journal, BMJ Open Ophthalmology, to cater for clinicians and scientists working in ophthalmology and vision science. The journal aims to publish high-quality content on basic, translational, and clinical science with a rigorous peer review process.
Researchers at RMIT University found that green laser pointers were most dangerous, with one model 127 times over the Australian safety limit. The team calls for stricter testing and quality control measures to protect public health.
New findings suggest that abnormal proliferation of blood vessels and rare lymphatic vessel formation contribute to the swelling and inflammation in thyroid eye disease. The study offers potential therapeutic options for treating the condition through targeted therapies and functional lymphatic vessel creation.
A study by the University of Michigan's Kellogg Eye Center found that low-income children are less likely to be diagnosed with strabismus, a condition that can lead to permanent vision loss if left untreated. The study highlights the importance of ensuring access to eye care professionals and necessary services for all children.
A study published in JAMA Ophthalmology found that sedentary behavior is associated with an increased risk of diabetic retinopathy. Participants with diabetes who spent more time sitting had a 16% higher chance of developing mild or worse DR compared to those who were more active.
Research reveals a significant association between visual health and social determinants of general health, including education, socio-economic status, and ethnicity. The study found that even mild vision impairment can have a substantial impact on daily life, increasing the risk of unemployment and mental health issues.
The Association for Research in Vision and Ophthalmology published a special issue commemorating the 25th anniversary of Optical Coherence Tomography (OCT) technology. OCT has revolutionized eye disease diagnosis and treatment, enabling early detection of devastating conditions like age-related macular degeneration and glaucoma.
A new study estimates that nearly 9.6 million adults in the United States are highly myopic, or severely nearsighted, with over 41,000 suffering from a complication called myopic choroidal neovascularization that could cause long-term vision loss. Women appear to be at greater risk for this condition, making up half of those affected.
A new study has found that the Zika virus is linked to a range of eye problems in Brazilian babies born with microcephaly. The researchers observed retinal lesions, hemorrhaging, and abnormal blood vessel development in three infants, which could result in severe visual impairment if left untreated.
A study of 29 NCAA football players found that repetitive subconcussive head impacts caused significant changes in near point of convergence (NPC) ocular-motor function, particularly among high-impact players. After a 3-week rest period, NPC was normalized, suggesting potential for recovery from subclinical brain damage.
Dr. Jayne Weiss, an LSU Health New Orleans ophthalmologist, recommends using UV protection not just outdoors but also inside cars to prevent cataracts and skin cancer. She cites studies showing a 93% reduction in cell death when UV exposure is filtered through UV-absorbing auto glass.
Researchers have developed a medicated silicone ring that slowly releases medication over 6 months, potentially lowering the risk of vision loss among seniors with glaucoma. The device reduced eye pressure by about 20% in patients compared to traditional daily drops.
A Penn-coordinated study confirms that half of patients with age-related macular degeneration retain 20/40 vision or better after five years of treatment with Avastin or Lucentis. The study also found signs of modestly worsening disease, but overall, the therapy has shown significant benefits in slowing vision loss.
A study by Stanford-Dartmouth researchers explores how novel optical configurations can enhance user experience and performance in virtual reality. They found that adaptive focus cues using a prototype system improved user preferences and accuracy.
A clinical trial found that patients treated with tacrolimus experienced equal relief of ocular symptoms as those treated with methylprednisolone, with fewer negative serious side effects. The study suggests that tacrolimus is an effective therapeutic option for ocular GVHD without the known hypertensive effects of steroids.
Researchers identified TNFa as a key inflammatory factor causing optic neuropathy in keratoprosthesis recipients. Blocking TNFa with antibodies successfully halted nerve damage in a mouse model, providing new insights into the underlying process and potential therapeutic pathway.
A diet high in vitamin C may help delay or prevent cataract progression. Researchers found that consuming vitamin C-rich foods reduced the risk of cataract development and severity by up to 33%. Genetic factors played a smaller role in cataract progression, with environmental factors such as diet accounting for 65% of the difference.
Research associates outdoor air pollution with dry eye disease, finding decreased humidity and increased ozone levels increase DED risk. PM10 was not associated with DED, possibly due to reflex tearing or low environmental levels.
Ultrawide field (UWF) scanning technology improved the ability to identify diabetic retinopathy in patients and judge the need for follow-up examinations or treatment. The study found that UWF imaging reduced ungradable images by 81% compared to traditional digital retinal photographs.
Researchers at Mass Eye and Ear have shown a link between mitochondrial dysfunction in corneal endothelial cells and the development of Fuchs' Endothelial Corneal Dystrophy. The study found that lifelong accumulation of oxidative DNA damage leads to mitochondrial dysfunction and cell death in FECD tissue.
Paul Lee examines the USPSTF's latest report on vision screening for asymptomatic older adults. The study highlights strengths and challenges in the current recommendation process, emphasizing the need for more rigorous clinical trials to inform treatment decisions.
A Brazilian study found a link between Zika virus and eye abnormalities in infants with microcephaly. The study evaluated 29 infants with microcephaly and found ophthalmoscopic abnormalities in 34.5% of them, including focal pigment mottling of the retina and chorioretinal atrophy.
Researchers found that high-dose atorvastatin regresses lipid deposits and improves visual acuity without progression to advanced disease in dry AMD patients. This potential therapy offers a new avenue for treating the leading cause of blindness worldwide.
Researchers from Harvard Medical School have gained new understanding of how endomucin, a key molecule with anti-adhesive properties, prevents inflammatory cells from adhering to blood vessels. By promoting the expression of endomucin, they believe it may be possible to develop treatments for inflammation.
A study published in JAMA Ophthalmology found that higher dietary nitrate and green leafy vegetable intake is associated with a lower risk of primary open-angle glaucoma. Participants who consumed more nitrate-rich foods had a 20-30% reduced risk of developing the condition.
A large new study found previously unknown risk factors associated with keratoconus, a condition that causes progressive nearsightedness at a young age. The study revealed higher odds of developing keratoconus among men, African Americans, Latinos, and those with asthma and sleep apnea.
Researchers at USC Eye Institute and Viterbi School of Engineering developed a new method to create focused spots of light, improving vision quality for individuals with retinitis pigmentosa. Longer pulse durations allow patients to see sharper images, boosting their sense of independence and confidence.