A new South Korean study finds that a thinning retina appears to correspond with a known sign of Parkinson’s disease — the loss of dopamine-producing brain cells.
Parkinson’s disease is a progressive nervous system disorder. Nerve cell damage in the brain leads to a drop in dopamine levels, which can lead to symptoms such as tremors, stiffness and a loss of balance.
“Our study is the first to show a link between the thinning of the retina and a known sign of the progression of the...
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