Diagnosis in 10 minutes: changes in the retina will help detect Alzheimer's

Scientists from the University of Minnesota (USA) have developed a method of rapid diagnosis of Alzheimer's disease.  Hyperspectral imaging technology is used to identify signs of the disease, the retina of the eye acts as an object for research. The advantage of the method is its non-traumatism, speed of diagnosis and high accuracy. 

Detection of early signs of Alzheimer's disease is the most important task of specialists, as it allows to prevent the progression of this severe neurodegenerative disease. It is known that noticeable changes in the brain, e.g. the appearance of amyloid plaques, appear long before the first symptoms of the disease, expressed in memory loss, deterioration of cognitive skills. The method of diagnosis proposed by American scientists is based on the detection of changes in the retina – this area of the eye, in fact, is a part of the vascular bed of the brain.

The method of hyperspectral imaging is based on changing the light scattering on the retina of patients with Alzheimer's disease. The first phase of the technology study, which involved 19 patients with different stages of Alzheimer's disease, has now been completed. The results were compared with the data obtained when applying this method in the control group.

Experts note that impaired light scattering in the retina has been reported in all Alzheimer's patients. Scientists emphasize that the method allows you to identify violations at the earliest stages of the disease, and it does not cause any inconvenience to patients. The researchers believe that due to these properties, as well as the high speed of diagnosis, the procedure takes only 10 minutes. The method may soon become widespread. 

Nov. 13, 2019, 10:57 a.m.

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