1. Longitudinal retinal layer changes in preclinical Alzheimer’s disease

    Longitudinal retinal layer changes in preclinical Alzheimer’s disease

    Purpose Several studies found reduced retinal thickness on optical coherence tomography (OCT) in Alzheimer’s disease (AD), even in preclinical stages, labelling this technique of interest as biomarker. In this study, we examine retinal thickness changes in preclinical AD, as defined by cognitively normal individuals with amyloid‐beta (Aβ) on positron emission tomography (PET). Methods For this monocentre study, 145 cognitively healthy monozygotic twins aged ≥ 60 were included from the Netherlands Twin Register taking part in the EMIF‐AD PreclinAD study. At baseline, participants underwent [ 18 F] flutemetamol PET that was visually rated for cortical Aβ. Binding potential was calculated ...

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