(Undated) — A potential eye test could help detect the presence of Parkinson’s disease well ahead of visible symptoms. The technique has been tested on rats and could be done on humans as part of a regular eye exam. It works by shining light on the back of the eye and looking at potential cell death in the retina. Experts from University College London say the test could help doctors treat Parkinson’s much earlier. Parkinson’s is a progressive neurological condition that impacts one in every 500 people.
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