The cranial nerves control eye muscles, jaw muscles, and the tongue. Other cranial nerves include the optic nerve for vision, the vestibulocochlear nerve for hearing and balance, and the olfactory ...

The longest of the cranial nerves, it controls your inner nerve center ... The vagus nerve’s tendrils extend to many organs, acting like fiber-optic cables that send instructions to release ...

Tumors affecting the cranial nerves, particularly the oculomotor ... depending on its location. Tumors near the optic nerve (optic glioma) can directly damage the nerve, leading to vision loss ...