Tag: "retinas" at medical news

Hemangioblasts Aiding Eye Damage Repair

...mple, we injected the cells into mice with damaged retinas due to diabetes or other eye injury. The cells migrated to the injured eye, and incorporated and lit-up the entire damaged vasculature. The cells are really smart, and amazingly, knew not to do anything in uninjured eyes."The cells also showed remark...

Insulin Therapy Shown to Treat Early Experimental Diabetic Retinopathy

...rative and inflammatory responses in diabetic rat retinas at the Association for Research in Vision and Ophthalmology (ARVO) 2007 Annual Meeting in Fort Lauderdale, Fla. The presentation will take place on Thursday, May 10 from 10:45 a.m. to 12:30 p.m. in Hall B/C of the Greater Fort Lauderdale/Broward Coun...

Higher Intake of Fish and Vitamin D Reduces the Risk of Age-related Macular Disease

...998. At that time, photographs were taken of their retinas to determine if they had AMD, and if so, to which of four stages the condition had progressed. The participants also completed a food frequency questionnaire that measured how often they consumed foods rich in certain vitamins, minerals and other nut...

Researchers Use Gene Therapy to Restore Eyesight in Blind Mice

...esearchers measured the electrical activity in the retinas of mice for two months after the administering the... 17 of those 19 had electrical readings from their retinas much similar to those taken in normal mice. Tests in mice between 6 and 7 months old showed that 1...

Research on Fruit Bats

...ying foxes) possess cones in addition to rods. The retinas of most mammals contain two types of photoreceptor...t photoreceptor types, the researchers stained the retinas of various fruit bat species with visual pigment-specific antibodies. As expected, all megabats had ...

Simple eye test can detect severe malaria

...e Royal Liverpool University Hospital analysed the retinas of 45 children admitted to hospital in Blantyre, Malawi, with cerebral malaria. They found that white opaque patches and whitened blood vessels on the retina were unique signs of cerebral malaria. Other signs include bleeding of the retina and swel...

Free Online Educational Videos for People with Diabetes

...he eyes) or specially validated photographs of the retinas (the back of the eyes). "Although there are a variety of treatments for diabetic retinopathy, the earlier it is diagnosed and care begins, the more effective the treatment," she advises. Even if there are no eye or vision problems, an eye exam should...

Colour Identification Lies Wholly On the Left Hemisphere of the Brain.

...ocessing of signals from the left side of both the retinas of the eyes. Because light from objects to our right falls mainly into the left-hand area of our retinas, the researchers hypothesized that colours to the right would feel the influence of language more keenly. Conversely, objects on our left side...

Lymph Cell Growth In Eyes Related To Macrophages

...nstance, inducing new “temporary” lymph vessels in retinas could aid in treating diabetic retinopathy by removing fluids leaking from abnormal blood vessels. It is this leaking fluid, characteristic of diabetic retinopathy that can permanently damage the retina and vision. The team is now researching the sa...

Brain Cell Repair Loss disclosed

... investigators took lab-grown nerve cells from the retinas of rat embryos and newborns and compared growth rates. Surprising, but even if the cells from newborn rats were given a host of growth-enhancing biochemicals, the embryonic rat cell axons grew about 10 times faster, sprouting out at an average speed ...

Reducing The Rate Of Amputations Among Diabetics

...tudied changes // in the tiny blood vessels in the retinas of about 900 diabetic patients who had been diagnosed with the disease before age 30. All were followed for 20 years to assess how these microvascular changes might relate to subsequent need for an amputation. The risk was significantly higher for t...

Eyes,The Window To The Future

...researchers used special cameras to photograph the retinas of more than 3,500 people. Most of the participants were 49 years or older. Researchers also measured the blood pressure of the patients and categorized them as normal, high-normal, mild hypertension or severe hypertension. Five years later the part...

The Clue to a Diabetic Requiring an Amputation may lie in the Retina of ones Eye.

...s studied changes in the tiny blood vessels in the retinas of about 900 diabetic patients who had been diagnosed with the disease before age 30. All were followed for 20 years to assess how these microvascular changes might relate to subsequent need for an amputation. The risk was significantly higher for t...

Vision loss could result due to MSG

...esults indicated that these rats developed thinner retinas after being fed with a high-MSG diet. Also the response of these rats to light was impaired compared to those rats which were fed with a lesser dose of MSG. This study is the first to have shown that eating food containing MSG could lead to eye dama...

Benign eye tumors being treated

...rs used photodynamic therapy to treat the detached retinas and shrink the tumors. Photodynamic therapy includ...all three cases, the therapy resolved the detached retinas and shrunk the tumors beyond measurable size. Vision improved to 20/20 for the first two patients an...

Photographs as a parameter

...n the brain, " he says. The team photographed the retinas of 12000 people and monitored their health for four years. They found that people with 'blots' or narrowing of tiny blood vessels on the retina were two and a half times more likely to suffer a stroke during the study. This finding held true even whe...

Detering memory problems

...vidence of damage to the small arteries// in their retinas have lower scores on tests to measure cognitive ab...vestigators studied microvascular abnormalities in retinas a hallmark of cerebral microvascular disease and an easy site to examine through noninvasive measure...

Photographs as a parameter

...n the brain, " he says. The team photographed the retinas of 12000 people and monitored their health for four years. They found that people with 'blots' or narrowing of tiny blood vessels on the retina were two and a half times more likely to suffer a stroke during the study. This finding held true even whe...

Photographs for Diagnosis

...earcher Larry Hubbard. The team photographed the retinas of 10 358 people and monitored their health for three years. They found that people with 'blots' or narrowing of tiny blood vessels on the retina were two and a half times more likely to suffer a stroke during the study. Ann Elsner who is organisin...

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