The optic nerve is part of the central nervous system and, unlike nerves in the peripheral nervous system - such as those in our fingers and feet - shows almost no ability to recover from injury.
The optic nerve is part of the central nervous system and, unlike nerves in the peripheral nervous system - such as those in our fingers and feet - shows almost no ability to recover from injury.
视神经是中枢神经系统的一部分，和末梢神经系统不同的是，中枢神经系统几乎无法从受损中修复。