Catheter's adjacent to the optic chiasm.

Goes above the optic chiasm to the cerebral hemispheres?

Goes above the optic chiasm to the cerebral hemispheres?

Goes above the optic chiasm to the cerebral hemispheres?

Catheter's adjacent to the optic chiasm. We're in position.

She's got a tumor in her optic chiasm.

And if we notice down here, behind the optic chiasm... ...several glands...

The scolex of the worm has these tiny hooks embedded in the optic chiasm.

She's got a tumor in her optic chiasm. You don't need your coat to treat a tumor.

I'm quite certain, also, that the optic chiasm has deteriorated somewhat... ...due to a weak ipsilateral component.