Vision Test May Predict Cognitive Decline in Parkinson’s Patients

Visual dysfunction and its underlying brain changes can identify Parkinson’s disease patients at higher risk of cognitive decline, who might benefit most from future clinical trials, according to two new studies. The studies, “Organisational and neuromodulatory underpinnings of structural-functional connectivity decoupling in patients with Parkinson’s disease”…

Eye Test May Detect Parkinson’s Before First Symptoms Appear

Changes in the retina of the eye may reveal the presence of Parkinson’s disease before brain changes and early symptoms appear, researchers at University College London’s Institute of Ophthalmology report. Their discovery may lead to a non-invasive and low-cost eye test to detect Parkinson’s well in advance of the tremors and muscle stiffness that characterize…