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Roughness of retinal layers, a new Alzheimer’s biomarker

Over recent years, the retina has established its position as one of the most promising biomarkers for the early diagnosis of Alzheimer’s. Moving on from the debate as to the retina becoming thinner or thicker, researchers from the Universidad Complutense de Madrid and Hospital ClĂ­nico San Carlos are focusing their attention on the roughness of the ten retinal layers.