Patients with optic neuritis generally experience a decrease in vision, which may occur in one eye or in both if both optic nerves are involved. This condition is often caused by non-specific inflammatory responses that lead to the demyelination of the optic nerve, such as in multiple sclerosis and neuromyelitis optica, leading to changes in optic neuritis. This condition is quite severe and requires hospitalization. If not treated promptly, it can cause permanent vision loss, severely affecting the patient's future life. Typically, hospitalization lasts about 10-14 days. During this period, comprehensive examinations including MRI and lumbar puncture are needed, along with high-dose corticosteroid treatment lasting 10-14 days. After discharge, the patient must continue taking oral medications and undergo rehabilitation training.