Dr. Silva Néto is a neurologist and a headache specialist who has dedicated himself to the study of headaches for 25 years. He has doctorate and postdoctoral degrees in neurology; the theses for both were on headaches. He is a translator of the International Classification of Headache Disorders, Third Edition (ICHD-3) into Portuguese, authorized by the International Headache Society (IHS). He has written eight books and published 99 scientific articles, including many on ocular pain.