Headache and ocular pain often coexist. Examination of patients with eye disease will usually show visual disturbances, injection, or pupil irregularities. Patients with a normal examination may have ocular pain or symptoms caused by entities ranging from carotid dissection to primary headache disorders, such as migraine. This update focuses on the many causes and treatments of eye-related headache. The management of ocular emergencies, including pituitary apoplexy, arterial dissection, mucormycosis, and unusual diseases such as Tolosa-Hunt, Behcet disease, and Cogan syndrome, is included.