Pituitary Adenoma and Your Vision When a disease or lesion affects the optic nerve before it reaches the optic chiasm in the brain, the defect in the vision will show up in only one eye and can ...

Neurosarcoidosis often affects the optic nerve. Infectious processes ... with abnormal baseline MRI scans showing two or more brain lesions consistent with demyelination. However, this association ...

and optic nerves. MS involves the immune system damaging myelin — a substance that surrounds and protects nerve fibers. Damaged areas of myelin are referred to as plaques or lesions ...

The optic nerve has been known to contain both sensory and motor fibres since the work of Bethe 1, who suggested a purely motor function for the oculomotor nerve.

[2] Without looking for other less obvious "clues" in the retina and choroid, the striking appearance of a bilateral swelling of the optic nerve heads can misdirect investigation toward less ...