Headache and blurred vision may be caused by glaucoma, pituitary adenoma, migraine and other diseases. 1. Glaucoma: the most common symptom is eye pain, often accompanied by headache on the same side, blurred vision and other symptoms, acute attack will appear increased intraocular pressure, vision loss and other phenomena. It can be treated with oral medication such as carteolol under the guidance of doctor. 2. Pituitary adenoma: It may compress the optic cross, resulting in vision loss and blurred vision, etc. The growth of pituitary tumor compresses the saddle diaphragm, which may cause headache, etc. The tumor may be treated with oral medication such as Carteolol under doctor’s supervision. It can be treated with oral bromocriptine, octreotide and other medicines under doctor’s guidance, and surgery if necessary. 3. Migraine: Before the onset of the disease, the patient will have symptoms such as blurred vision, distorted light and dark spots in the center. There will be headache at the onset. It can be treated with oral medications such as nimodipine and sumatriptan under the guidance of a doctor. Therefore, when symptoms such as headache and blurred vision occur, you should go to the hospital in time to confirm the diagnosis, and after diagnosis, standardized treatment under the guidance of the doctor.