Clinically a clear distinction between headache, facial pain, and eye pain is not always apparent, but when present, it helps in the diagnostic approach. In this update we will categorize pain ...

The eye is a transparent, superficial organ, and routine examination techniques readily identify ocular causes of headache. There has been ongoing debate whether ...

such as the right side, and then radiates over time. Cluster Headaches Cluster headaches are rarer but tend to be excruciatingly painful, and their pain often seems to concentrate on one eye or ...