title: Reply to: photoreceptor layer thinning in Parkinsonian syndromes.
authors.affiliation: NeuroCure Clinical Research Center, Charité-Universitätsmedizin Berlin, Germany.
authors.forename: Alexander U
authors.initials: AU
authors.lastname: Brandt
authors.forename: Friedemann
authors.initials: F
authors.lastname: Paul
authors.forename: Shiv
authors.initials: S
authors.lastname: Saidha
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D010300:Parkinson Disease / Q000473:pathology*; D020419:Photoreceptor Cells, Vertebrate / Q000473:pathology*; D012160:Retina / Q000473:pathology*