Once optic nerve atrophy occurs, there is no good treatment to restore it, but treatment can be used to slow down the progression of optic nerve atrophy as much as possible. Optic nerve atrophy is usually caused by the degeneration and apoptosis of retinal ganglion cells, resulting in vision loss and visual field defects. Optic nerve atrophy is irreversible, and once it occurs, it cannot be fully recovered through treatment. The key to treatment at this stage is to find out the cause of optic nerve atrophy, and then eliminate the cause to prevent further aggravation of the condition. For example, for optic nerve atrophy caused by glaucoma, brinzolamide drops should be used to lower the intraocular pressure to stop the progression of the disease, while optic nerve atrophy caused by ischemic optic neuropathy can be treated by paratemporal injections of cetrofaniline. Optic nerve atrophy should be treated promptly, with medication as prescribed by the doctor, to preserve vision to the greatest extent possible.