Some, but not most headaches, are caused by eyestrain. Traction Headaches Visual Headaches or Eyestrain Tension Headaches Tension headaches are caused by tension in the back and neck muscles. The pain is often felt at the temples or at the back of the head. These headaches usually occur after a long work day. They can be relieved with hot packs over the neck and back muscles, by general relaxation, with over the counter or prescription pain medications or muscle relaxants.
Dental problems can cause head or eye pain as well.
Headache Caffeine withdrawal headaches are very common. The source is addiction to caffeine, often in the form of coffee. If a person attempts to discontinue the use of caffeine too suddenly they will experience this intense type of headache. Caffeine headaches can be similar to migraines in their severity and symptoms. They are often accompanied with light sensitivity and nausea.