Eye Test Alzheimer’s
July 18, 2011 by staff
Eye Test Alzheimer’s, Scientists believe that the differences can be observed in the retinas of patients with dementia, to help early diagnosis of degenerative brain disease. This would represent a breakthrough in the treatment of patients with dementia – set to reach 1 million in the UK as the aging population over the next decade -, which currently only three were diagnosed and treatment is ineffective.
Rebecca Wood, chief executive of the Alzheimer’s Research UK, said: “This study adds to previous work that suggests that scans the eye may be a useful aid in the diagnosis of Alzheimer’s disease These results could lead to a method simple and effective to detect. Alzheimer’s at a much earlier stage, but much remains to be done.
“The ability to diagnose early Alzheimer’s disease is a key goal for research. Not only early detection allows people to plan for the future, which would mean new treatments could be tested in the early stages of the disease, when they are more likely to have an effect. With 820,000 people affected by dementia in the UK, we urgently need more research to find better ways to diagnose, treat and prevent dementia. ”
Memory tests or brain scans are often used to find early signs of dementia, but recently have scientists begun to study the light-sensitive layer at the back of the eye from damage.
Last year, researchers at University College London has revealed details of animal experiments in which eye drops are used to highlight cell damage in the retina that corresponded with the deterioration of the brain.
In the latest research, published in the Conference of the American Alzheimer’s Association International in Paris on Sunday, researchers at Australia’s Commonwealth Scientific and Industrial Research Organization released the results of a study involving 126 human subjects.
Researchersanlyzed retinal photographs to see that the width of blood vessels was “very different” in people with Alzheimer’s compared with healthy people.
Separate investigation announced at the conference addressed two other ways to test for Alzheimer’s disease.
A brain thatanlyzes to calculate the levels of a protein known as amyloid, which is a “seal” of the disease, while the other involved as a part of the brain responsible for forming new memories, known as the hippocampus.
Another study found that people with early signs of Alzheimer’s disease are more likely to fall, suggesting that visual perception and balance can decrease before the memory.
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