often on one side of the head that may occur with nausea, vomiting, and sound and light sensitivity. What is a severe headache behind the left eye? A severe headache behind the left eye may result ...

It is a progressive disease affecting the optic nerve behind the eye. Glaucoma causes intense eye pain and a gradual loss of ...

Two of your sinuses are behind your forehead, one above each eye, and the one on the left side could be infected, causing pain on the left. Other causes of a headache on the top left side of your ...

This can cause muscle strain within the eye and a headache. You may be more prone to this side effect if you’re ... or cause pressure behind your ears, you may get a headache.