Septo-Optic Dysplasia

**Semantic type:** Disease or Syndrome

**Definition:** A very rare congenital syndrome characterized by hypoplasia of the optic nerve, impaired vision, absence of the septum pellucidum and hypopituitarism.

**Synonyms:** - De Morsier Syndrome - De Morsier syndrome - Septo-Optic Dysplasia Sequence