A genetically heterogeneous group of neuronal ceroid lipofuscinoses (NCLs) typically characterized by onset during infancy or early childhood with decline of mental and motor capacities, epilepsy, and vision loss through retinal degeneration. The disease is Monarch Disease Ontology term MONDO_0015674 (late infantile neuronal ceroid lipofuscinosis). Also known as: Jansky-Bielschowsky disease, LINCL, late infantile NCL, late-infantile neuronal ceroid lipofuscinosis.