Glaucoma causes intense eye pain and a gradual loss of peripheral (side) vision. If left untreated, it can cause blindness. The treatment for headache behind the eye depends on the underlying cause.

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 ...

Causes of Headache and Third-Order Horner's ... Sudden onset of facial pain radiating to the ipsilateral eye along with Horner's syndrome should alert one to carotid artery dissection.

On your left hand, find the space between ... especially cluster headaches. Cluster headaches, which often manifest as intense pain behind the eye, can often be relieved with deep breathing ...

That troublesome headache might not be a migraine or brought on by tension. It could be caused by sinus trouble, said doctors at Baylor College of Medicine. “Our sinuses are air-filled spaces in our ...