Optic Nerve Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A benign or malignant neoplasm that affects the optic nerve. Clinical features may include visual loss, proptosis, and local pain. The majority of optic nerve neoplasms are gliomas.

**Synonyms:** - Cranial Nerve II Neoplasms - Neoplasm of Optic Nerve - Neoplasm of Second Cranial Nerve - Neoplasm of the Optic Nerve - Neoplasm of the Second Cranial Nerve - Neoplasms, Optic Nerve - Neoplasms, Second Cranial Nerve - Optic Nerve Neoplasms - Optic Nerve Tumor - Second Cranial Nerve Neoplasm - Second Cranial Nerve Neoplasms - Second Cranial Nerve Tumor - Tumor of Optic Nerve - Tumor of Second Cranial Nerve - Tumor of the Optic Nerve - Tumor of the Second Cranial Nerve