Optic neuropathy mainly refers to lesions that cause damage to the optic nerve due to inflammation, ischemia, trauma, and occupancy, with optic neuritis and anterior ischemic optic neuropathy being the most common lesions. Common causes of optic neuropathy include inflammation, such as optic neuromyelitis optica, autoimmune optic neuritis, etc.; ischemia, such as ischemia caused by hypertension, diabetes mellitus, etc.; trauma, such as craniocerebral trauma, etc.; intoxication, such as intoxication by alcohol, methanol, drugs, etc.; heredity, such as Leber’s hereditary optic neuropathy, etc.; occupation, such as intraorbital tumors or cysts, intracranial tumors, etc.; intracranial hypertension. After these causes lead to optic neuropathy, it can cause various optic neuropathies, and generally the main symptoms are vision loss, visual field defects, eye pain, color vision abnormalities, transient blackouts, diplopia and so on. It is recommended that people with these symptoms should consult a doctor in time to identify the cause of the disease and undergo active treatment.