Dil was injected into the left retina, and RGC axons were traced to the optic chiasm. In the wild-type animal, a subset of RGC axons is repelled at the midline and to the binocular pathway (top ...

Tumors near the optic nerve (optic glioma) can directly damage the nerve ... which can compress the optic chiasm, leading to bitemporal hemianopsia (loss of vision in the outer half of both ...