Moebius syndrome is a very rare congenital cranial dysinnervation disorder characterized by complete or incomplete facial paralysis in association with bilateral palsy of the abducens nerve causing impairment of ocular abduction. The syndrome also includes various other congenital anomalies. The disease is Monarch Disease Ontology term MONDO_0008006 (Mobius syndrome). Also known as: MBS, Moebius Syndrome, Moebius congenital oculofacial paralysis, Moebius sequence, Moebius syndrome, Moebius syndrome, Isolated cases, Möbius syndrome, congenital facial diplegia.