Monogenic disease with epilepsy Genetic neurodegenerative disease Progressive epilepsy - intellectual disability, Finnish type orphanet Neuronal ceroid lipofuscinosis, Northern epilepsy variant OMIM:610003 Northern epilepsy ICD10:E75.4 CLN8 disease, Northern epilepsy variant NCL, Northern epilepsy variant UMLS:C1864923 Progressive epilepsy-intellectual deficit, Finnish type (also known as Northern epilepsy) is a subtype of neuronal ceroid lipofuscinosis (NCL; see this term) characterized by seizures, progressive decline of intellectual capacities and variable loss of vision. Lysosomal disease Progressive myoclonic epilepsy Unclassified primitive or secondary maculopathy Metabolic disease with pigmentary retinitis