Eye scan can reveal changes associated with Alzheimer’s disease
Ophthalmologists at Duke University have found that a special type of eye scan can pick up changes indicative of Alzheimer’s disease. Their results were published Monday in the journal Ophthalmology Retina.
The eye scan is called optical coherence tomographic angiography, or OCTA for short. Within less than a minute, OCTA takes a non-invasive picture of the retina -- the nerve cells in the back of our eyes that convert light from the outside world into nerve signals that the brain interprets into images.
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