<unk> s are tumors that grow in various parts of the brain.<unk><unk> s can affect:
One or both of the<unk><unk> s, which carry visual information to the brain from each eye
The<unk>  chiasm, the area where the<unk><unk> s cross each other in front of the hypothalamus of the brain
An<unk><unk>  may also grow along with a hypothalamic<unk> .
Optic nerve glioma
Optic nerve sheath meningioma
Intraocular lymphoma
Graves ophthalmopathy
Labyrinthitis
Kjer's optic neuropathy
Lacrimal gland tumor
Vestibular tumor