This document discusses headaches from a clinical optometry perspective. It defines headaches, notes that the majority are benign but some can be caused by serious underlying conditions. It describes pain-sensitive structures in the head, mechanisms of head pain, and the International Headache Society's classification of primary and secondary headaches. The document stresses the importance of a thorough case history and examination, including external eye exam, motility, visual fields and acuity tests, and cranial nerve assessment to determine the cause and appropriate management of headaches. It lists some red flag danger signs that could indicate a serious underlying condition.

1. Clinical Optometry 2(i) Differential Diagnosis 3 Assessment of headaches... Turn off comments!