Nelis, Pieter; Kleffner, Ilka; Burg, Matthias; Clemens, Christoph R.; Alnawaiseh, Maged; Motte, Jeremias; Marziniak, Martin; Eter, Nicole; Alten, Florian: OCT-Angiography reveals reduced vessel density in the deep retinal plexus of CADASIL patients