title: [Letter].
authors.forename: W
authors.initials: W
authors.lastname: Haase
authors.forename: P P
authors.initials: PP
authors.lastname: Kaupke
authors.forename: G
authors.initials: G
authors.lastname: Petzold
mesh_terms: D000550:Amblyopia / Q000175:diagnosis* / Q000534:rehabilitation*; D001676:Biofeedback, Psychology / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D013813:Therapy, Computer-Assisted / Q000379:methods*; D018910:Video Games