Monarch Disease Ontology id MONDO_0009697 (Lafora disease) (LD) is a rare, inherited, severe, progressive myoclonic epilepsy characterized by myoclonus and/or generalized seizures, visual hallucinations (partial occipital seizures), and progressive neurological decline. Also known as: EPM2, Lafora progressive myoclonic epilepsy, Lafora's disease, PME type 2, epilepsy, progressive myoclonic 2A (Lafora), epilepsy, progressive myoclonic 2B (Lafora), myoclonic epilepsy of Lafora, progressive myoclonic epilepsy type 2.