Visual Impairment Current Events | Visual Impairment News | 2
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Conference report highlights new research into drug delivery to treat eye disease
Researchers are investigating microneedles, nanoparticles and polymer carriers as potential new techniques to combat the leading cause of visual impairment and blindness in the United States, according to a report from the Third Annual ARVO/Pfizer Ophthalmics Research Institute Conference. view more (2008-11-18)
Failure to suppress irrelevant brain activity in Alzheimer disease
A study by Alexander Drzezga and colleagues (of the Technical University Munich, Germany) to be published in the international open access journal PLoS Medicine now shows that this focusing process is defective in people with Alzheimer disease (AD). view more (2005-09-20)
Blindsight: How brain sees what you do not see
Blindsight is a phenomenon in which patients with damage in the primary visual cortex of the brain can tell where an object is although they claim they cannot see it. view more (2008-10-15)
Cognitive impairment link found in older adults taking popular stomach acid medications
Long-term use of histamine2 receptor antagonists (H2A), one class of drugs that blocks stomach acid, may be associated with cognitive impairment in older African-American adults. view more (2007-08-06)
Memory lane: Older persons with more schooling spend fewer years with cognitive loss
Those with at least a high school education spend more of their older years without cognitive loss - including the effects of Alzheimer's, Parkinson's and dementia -- but die sooner after the loss becomes apparent, reveals a new study appearing in the June 2008 issue of the Journal of Aging and Health. view more (2008-05-13)
Sound adds speed to visual perception
The traditional view of individual brain areas involved in perception of different sensory stimuli-i.e., one brain region involved in hearing and another involved in seeing-has been thrown into doubt in recent years. view more (2008-08-12)
The worldwide prevalence of glaucoma is increasing (p 1711)
Early diagnosis of glaucoma is essential to prevent irreversible visual impairment, according to a Seminar in this week's issue of THE LANCET. Glaucoma is a group of disorders that progressively damage the optic nerve in the eye and without treatment can cause visual disability and eventual blindness. Glaucoma affects more than 66 million people... view more... (2004-05-19)
Diabetes may be associated with increased risk of mild cognitive impairment
Individuals with diabetes may have a higher risk of developing mild cognitive impairment, a condition that involves difficulties with thinking and learning and may be an intermediate step toward Alzheimer's disease, according to a report in the April issue of Archives of Neurology, one of the JAMA/Archives journals. view more (2007-04-10)
Low birth weight babies with reduced occipital regional volumes at higher risk for visual impairment
Preterm infants with smaller occipital brain volumes are more likely to experience impaired visual function in early childhood according to a study published in the August 2006 issue of Investigative Ophthalmology & Visual Science (IOVS). view more (2006-08-30)
Epilepsy drug causes eye problems in over 40 per cent of cases
Vigabatrin, a drug used to treat epilepsy, causes eye problems in over 40 per cent of those prescribed it, shows a study in the Journal of Neurology Neurosurgery and Psychiatry. Vigabatrin was licensed in the UK in 1989 and was the first anti-epileptic drug to come on to the marked since the 1970s. Although effective, it has been associated with... view more... (2002-08-20)
Depression may increase Alzheimer's risk in people with memory problems
People with memory problems who are depressed are more likely to develop Alzheimer's disease than those who aren't depressed, according to a new UCLA study. view more (2009-06-16)
Variation in 3 genes influences risk of age-related macular degeneration
Researchers in Boston have discovered a new common, noncoding variant in the Complement Factor H (CFH) gene that is associated with age-related macular degeneration (AMD), the leading cause of irreversible visual impairment and blindness among persons aged 60 and older. view more (2006-08-30)
Relatives of patients with Parkinson's disease risk developing dementia, cognitive impairment
Relatives of patients with Parkinson's disease may have an increased risk of developing dementia or cognitive impairment. view more (2007-10-09)
Fluctuating eye pressure associated with visual field deterioration in glaucoma patients
Fluctuations in eye pressure may be associated with a decreasing peripheral field of vision in patients with glaucoma, even if their eye pressure remains low overall. view more (2007-08-14)
Early vision screening associated with better eyesight in children with amblyopia
Children who screen positive for amblyopia, reduced vision in one eye, before age 2 appear to have better visual outcomes than those whose vision problems are detected during screenings between ages 2 and 4. view more (2008-04-15)
Heart failure linked to cognitive impairment
Nearly half of patients with heart failure (HF) have problems with memory and other aspects of cognitive functioning, reports a new study published by Elsevier, in the February issue of Journal of Cardiac Failure. view more (2009-02-05)
Mayo Clinic study continues to refine most effective methods to predict Alzheimer's disease
A new Mayo Clinic study found that the clinical criteria for mild cognitive impairment is better at predicting who will develop Alzheimer's disease than a single memory test. view more (2009-07-14)
Penn researchers examine the effects of meditation on early cognitive impairment
Researchers at the University of Pennsylvania School of Medicine are examining the effectiveness of meditation on early cognitive impairment. view more (2006-07-31)
New hope for migraine sufferers
Nearly one in ten adults suffers from migraine UK male sufferers alone lose 4m working days with an estimated productivity loss of £750m Migraine accounts for more than half of all headaches New collaborative research by City University, the University of Essex and the Institute of Optometry, London shows that coloured filters are effective... view more... (2002-08-16)
Surgeons' Performance Related To Visual-Spatial Ability (p 230)
A Canadian research letter in this week's issue of THE LANCET highlights how a surgeon's ability to execute a complex procedure is related to their degree of visual-spatial ability. Although some study participants were found to be more competent than others, those with low visual-spatial-ability scores improved their performance with repeated... view more... (2002-01-17)
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