Articles tagged with Glaucoma
Scientists have discovered molecules that may block the accumulation of a toxic eye protein leading to early onset glaucoma. The researchers identified two compounds with potential for future drug development to treat this condition, which affects several million people from childhood to age 35.
The probability of blindness from glaucoma has decreased by nearly half since 1980, with advances in diagnosis and therapy likely contributing to the reduction. However, a significant proportion of patients still progress to blindness, emphasizing the need for continued research and vigilant eye exams.
Glaucoma blindness risk has dropped by half in the last generation, according to Mayo Clinic research. The study found a significant decrease in the probability of going blind in at least one eye due to glaucoma.
Researchers found that vision restoration training can strengthen partially surviving neurons and promote visual recovery 'hot spots'. The study analyzed data from 32 stroke patients with hemianopia and found that average absolute improvement was 6%.
Research found that women who used oral contraceptives for three or more years are 2.05 times more likely to have glaucoma, a leading cause of blindness. The study suggests long-term use of birth control may be a risk factor for glaucoma, particularly in combination with other factors such as ethnicity and family history.
African-American individuals are disproportionately affected by glaucoma, with a four to five times higher risk of occurrence and up to 15 times greater likelihood of significant visual impairment compared to European descent.
Researchers found that people with sleep apnea are at a significantly higher risk of developing open-angle glaucoma compared to those without the condition. The study recommends clinicians alert patients about this association to encourage treatment.
The BrightFocus Foundation has awarded $7.2 million in grants to 53 scientists conducting research on Alzheimer's, glaucoma, and macular degeneration. The funded projects focus on imaging technology, gene therapy, and cell regeneration to better understand disease development and potential new therapies.
Researchers developed a new open-source platform to analyze and visualize visual fields, enabling transparent collaboration among independent labs. The platform contains analytical and visualization tools, including methods for glaucoma detection, and can be used for experimentation and research.
The US Preventive Services Task Force found insufficient evidence to recommend for or against screening for primary open-angle glaucoma. Two commentaries explore the physician's role in preventing gun violence, including the importance of discussing guns with elderly patients and advocating for mental health treatment.
Researchers found that prostaglandin analogues (PGAs) can cause upper and lower eyelid drooping, hollowing of the inferior periorbital fat pads, and levator muscle dysfunction in glaucoma patients. The study suggests reevaluating PGA use for new patients to prevent vision loss.
Researchers have found that vascular endothelial growth factor (VEGF) induces the production of transforming growth factor-beta 1 (TGF-B1), which promotes fibrosis in glaucoma surgery. The study suggests that inhibiting VEGF may reduce scar formation and improve surgical outcomes.
Researchers at Lund University have developed a new method to investigate the importance of biomechanical factors in the central nervous system. The study found that when the biomechanical balance is disturbed, as happens in eye diseases such as retinal detachment and glaucoma, the normal function of the retina is lost, resulting in se...
Researchers identified 27 genetic loci associated with central corneal thickness, a key factor in blinding eye conditions like glaucoma and keratoconus. This discovery offers new insights into the causes of these diseases, enabling better management and prevention.
Researchers have identified an early predictor for glaucoma, a condition that affects nearly three million people in the US and 60 million worldwide. The study found that certain changes in blood vessels in the retina can be an early warning sign of increased risk for glaucoma.
A recent study published in Archives of Ophthalmology found that working-age adults with vision insurance are more likely to have regular eye exams and report better vision. The research suggests that having vision insurance may be an important factor in preventing eye impairment, particularly among individuals with pre-existing condit...
A new study published in Investigative Ophthalmology & Visual Science found that glaucoma patients read slower when reading silently for long periods, with a 16% decrease in reading speed. The research suggests technological solutions like e-readers could help alleviate reading difficulties, paving the way for potential app development.
A study published in Archives of Ophthalmology found that the odds of visual field testing for glaucoma decreased significantly for Hispanic men and women in a large U.S. managed care network between 2001 and 2009, with decreases of 63% and 57%, respectively.
Research found that people with glaucoma show delayed eye movement reaction times by about 15 per cent, even in early stages of the disease. This delay may affect daily activities such as reading, driving, or navigating, highlighting the need for new vision pathways and approaches to measuring vision loss.
A tiny medical device no larger than an eyelash significantly reduces eye pressure in glaucoma patients, with 100% of participants experiencing reduced IOP. The device may allow some patients to stop using eye drop medications, offering a promising alternative treatment for this common disease.
A recent study found that individuals with glaucoma are at a higher risk of being involved in accidents due to their limited peripheral vision. The research recommends mandatory visual field testing for drivers to ensure road safety.
A new study published in the FASEB Journal found that bimatoprost, a commonly prescribed glaucoma drug, stimulates human hair growth from the scalp. The drug has been commercially available to lengthen eyelashes, but this is its first application for treating baldness.
Researchers discover Grp94 protein interferes with clearance of mutated myocilin, a leading cause of hereditary juvenile-onset and adult-onset glaucoma. Inhibiting Grp94 may lead to new treatment options for patients suffering from myocilin glaucoma.
A new study links heavy caffeinated coffee consumption to an increased risk of developing exfoliation glaucoma, the leading cause of secondary glaucoma worldwide. Women with a family history of glaucoma are also at higher risk.
A nationwide study of over 300,000 patients found that statin use reduces the risk of open-angle glaucoma by eight percent. The study suggests that statins may protect against glaucoma by improving blood flow and reducing intraocular pressure.
Researchers used mathematical modeling to better understand the causes of debilitating diseases like glaucoma, which could lead to more efficient treatments. The model helps doctors measure blood flow and oxygen levels in fine detail, improving their ability to treat root causes.
A small subset of patients with open-angle glaucoma account for a large proportion of all glaucoma-related charges in the US. The costliest 5% of patients are responsible for 24% of total charges, with younger age and cataract surgery being significant risk factors.
Researchers at the Singapore Eye Research Institute and Genome Institute of Singapore have identified three new genes linked to PACG, a leading cause of blindness worldwide. The study used genome-wide association analysis and validation experiments to uncover genetic risk factors for the disease.
A new treatment method has been developed to reduce post-surgical scarring in glaucoma patients. The treatment uses a gel containing the anti-scarring drug 5-Fluorouracil, which is time-released over several days, resulting in fewer injections and less hospital visits.
The American Health Assistance Foundation has awarded grants to scientists worldwide studying the link between Alzheimer's disease and glaucoma, as well as protective mechanisms for eye cells. Researchers are also developing new treatments for macular degeneration, a condition causing vision loss in older adults.
Scientists at EMBL have created a first complete atlas of RNA-binding proteins, revealing over 300 previously unknown proteins. This discovery opens new avenues for studying diseases such as diabetes and glaucoma, suggesting that gene mutations may affect RNA control rather than protein function.
The largest genetic study of glaucoma identified two genetic variations associated with primary open angle glaucoma (POAG), a leading cause of blindness. The findings may lead to more effective therapies for POAG, including normal pressure glaucoma (NPG), where no curative treatments exist.
Researchers at Bascom Palmer Eye Institute discovered the protein cochlin plays a crucial role in regulating intraocular pressure through mechanosensing and mechanotransduction. Elevated IOP is a primary risk factor for glaucoma, and this breakthrough offers potential avenues for innovative manipulation of aqueous outflow.
Scientists at Washington University School of Medicine have devised a treatment that prevents optic nerve injury in glaucoma by exposing mice to low levels of oxygen. The study found that preconditioning induced tolerance protects against neurodegenerative disease, with mice losing only 3% of retinal ganglion cell bodies after 10 weeks.
Researchers discovered that radiation treatment inhibits monocyte entry into the optic nerve head, preventing neuronal damage in a mouse model of glaucoma. This breakthrough sheds light on a potential prevention strategy for glaucoma, which is one of the leading causes of vision loss and blindness worldwide.
Researchers found that targeted x-ray treatment can prevent glaucoma in mice by inhibiting the entry of damaging cells into the optic nerve and retina. This discovery raises hope for a new treatment approach for humans, where lower doses of radiation could be used to block cell entry and prevent blindness.
A new study has shed light on glaucoma prevention by highlighting the impact of X-ray treatment on monocyte entry into the optic nerve. Researchers found that mice treated with a single X-ray treatment prior to glaucoma onset were protected from developing the disease, even with other risk factors.
Implementing a routine national glaucoma screening program for middle-age African American patients can be clinically effective in reducing undiagnosed glaucoma, with predicted reductions of 27% in undiagnosed glaucoma prevalence and 4.6% in glaucoma-related visual impairment. The projected cost is $80 per individual screened, and futu...
Home measurement of IOP can provide baseline information about expected variability of eye pressures in healthy children, according to a new study. The study found that normal eyes of healthy children have a fluctuation in eye pressure of about five mm Hg throughout the day.
Glaucoma is now viewed as a neurologic disorder causing nerve cell degeneration and death, similar to Parkinson's disease and Alzheimer's. Researchers are exploring treatment advances, including RGC-targeted medications and electrical stimulation, that may ultimately restore vision.
A University of Houston vision scientist is developing new imaging techniques using the AOSLO device to better understand early changes in glaucoma. The research aims to enhance clinicians' understanding of glaucoma development and progression, leading to earlier recognition of structural damage and improved diagnostics.
Researchers have discovered that myocilin deposits can lead to vision loss in glaucoma patients. The study, published in the Journal of Molecular Biology, explores one of the molecular origins of glaucoma and potentially leads to new treatments.
A study by Marie Brenner and colleagues found that contact lenses improve retinal nerve fiber layer measurements in patients with higher refractive errors but have a negative impact on those with lower refractive errors. The researchers aim to improve glaucoma diagnosis and management through their findings.
Researchers found that women are more vulnerable to exfoliation syndrome (ES) than men, and that living in the middle or southern tier of the US reduces the risk. The study also confirms established associations with age and family history, as well as new data on associations with gender, eye color, and ancestry.
A University of Iowa researcher is using a canine model to study the genetic basis of glaucoma. The goal is to identify potential genetic markers that could be used to diagnose and treat humans with the disease.
A recent study published in Investigative Ophthalmology & Visual Science found a strong association between physical fitness and reduced glaucoma risk. The research discovered that moderate physical activity can lower the risk of low ocular perfusion pressure, a key factor in glaucoma development.
A Mayo Clinic study suggests that patients taking the age-related macular degeneration drug ranibizumab may experience increased intraocular pressure, a potential risk factor for glaucoma. The research found that a subset of patients had higher-than-normal eye pressure, regardless of pre-existing risk factors.
A recent British study published in Investigative Ophthalmology & Visual Science may revolutionize the way healthcare professionals assess glaucoma risk. The study used a new method to measure intraocular pressure, correcting for corneal biomechanics, and found accurate measurements of eye pressure with improved accuracy.
Researchers have analyzed and ranked various risk factors for open angle glaucoma to enable earlier screening. The study found that certain factors such as age, smoking history, visual field test results, and Cup-to-Disk ratio significantly increase the risk of developing OAG.
A recent study found that cocaine use is predictive of open-angle glaucoma, with current and former users having a 45% increased risk. Patients with open-angle glaucoma and history of exposure to illegal drugs were nearly 20 years younger than those without drug exposure history.
A recent study by Lawson Research Institute found that nearly half of newly diagnosed Canadian patients with glaucoma were at moderate to advanced stages by the time of diagnosis. The study suggests a lack of preventive screenings and inadequate awareness about risk factors are contributing factors to this issue.
University of Leeds researchers used DNA sequencing techniques to identify a genetic defect in peroxidasin, which causes congenital cataract, corneal opacity, and developmental glaucoma. The discovery may lead to new treatments for adults and children with this form of inherited blindness.
Researchers found people with diabetes alone had a 35% higher risk and those with hypertension alone had a 17% higher risk. The study also showed hyperlipidemia reduced the risk by 5%. Regular eye exams are recommended for those at increased risk of glaucoma.
Frequent visual field testing in patients with primary open-angle glaucoma may lead to earlier detection of the condition's progression, according to a study published in Archives of Ophthalmology. The researchers found that twice-yearly schedules resulted in earlier detection compared to yearly schedules.
Researchers developed a new method to assess CNS drug action using eye movements in mice, which showed promise for treating diseases such as Huntington's disease. Additionally, studies revealed that the protein GSK-3 is critical for lithium's effects on behavior in bipolar disorder patients.
Researchers found that African-Americans with glaucoma have significantly higher oxygen levels in their eyes compared to Caucasians. This suggests that excess oxygen may damage the drainage system and lead to elevated pressure, causing optic nerve damage and vision loss. Further study is needed to confirm this association.
Recent study finds glaucoma medication spending has risen, especially among women and those with public health insurance and less education. The average expenditure per patient for glaucoma medication increased from $445 to $557 between 2001 and 2006.
Researchers found that glaucoma is more likely to progress with peak intraocular pressure of 18 mm Hg or higher, as well as cornea thinning and disc hemorrhage. These risk factors can help clinicians decide how aggressively to treat patients to slow glaucoma progression.
Tafluprost met primary endpoint in phase III study, showing comparable IOP-lowering effect to timolol. The medication achieved significant IOP reduction from baseline and demonstrated non-inferiority to existing treatments.
Scientists discovered a gene linked to angle-closure glaucoma (ACG), a medical emergency that can cause rapid vision loss. The gene's activity is associated with abnormal eye development and increased intraocular pressure.