A rare presenile dementia associated with cortical blindness (Heidenhain's syndrome).
D000544:Alzheimer Disease; D001766:Blindness; D019575:Blindness, Cortical; D003704:Dementia / Q000150:complications*; D006801:Humans; D001523:Mental Disorders; D011618:Psychotic Disorders / Q000150:complications*
BLINDNESS; PSYCHOSES, PRESENILE/complications