Early detection of Alzheimer's will be possible through an eye test (Image Source: Freepik)
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Prater, New Delhi. Do you know that our eyes can reveal the secrets of our brain state? Yes, this shocking information has come to light in a recent research. Now by examining the retina, serious diseases like Alzheimer's can be detected much earlier, that too before the brain damage has even started.
Identifying the correct part of the 'window of the mind'
According to Stephen Wong, researcher at Houston Methodist Hospital in America, "The eyes are the window to the brain." He says that till now we were looking into the wrong part of this window. Usually the eye examination focuses on the central part of the retina. But, this new study has made it clear that the most important and early signs of Alzheimer's disease are hidden in the outer part of the eye.
Treatment can start years before memory loss
The biggest advantage of this new discovery is that the disease can be caught in time. Changes in the retina begin years before memory loss and damage to brain nerves occur. Researchers believe that if people get regular eye exams, doctors can identify these early changes. With this, the disease can be detected timely and treatment can be started.
What is the science behind this?
How this entire process works can be understood based on previous research. Scientists have found that a major symptom of Alzheimer's disease is the accumulation of 'amyloid protein' in the brain. Similarly, amyloid protein also starts accumulating in the retina of the eyes. This simply means that the changes in the retina reflect the actual condition of the disease going on inside the brain.
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