Glial cell derived tumors arising from the optic nerve, usually presenting in childhood.

Synonyms: Glioma, Optic Nerve, Adult, Gliomas, Optic, Optic Nerve, Malignant Astrocytoma, Childhood Optic Nerve Glioma, Glioma, Optic Nerve, Childhood, Gliomas, Optic Nerve, Optic Gliomas, Glioma, Optic, Astrocytoma, Malignant, Optic Nerve, Malignant Astrocytoma, Optic Nerve, Optic Nerve Gliomas, Optic Nerve Glioma, Childhood, Adult Optic Nerve Glioma, Optic Glioma, Glioma, Optic Nerve, Optic Nerve Glioma, Optic Nerve Glioma, Adult, Malignant Optic Nerve Astrocytoma