Why does a person go blind if his optic nerve function is impaired?

1) Distinction of visual irritations occurs in the occipital zone of the cerebral cortex.
2) In case of violation of the functions of the optic nerve, nerve impulses cannot reach the visual centers of the occipital zone of the cortex of the cerebral hemispheres.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.