i get a sharp pain every now and again, its sore to touch and my left eye keeps twitching
This could possibly be ice pick headaches, but it could also be one of many other things. Nobody can diagnose via the Internet. You really need to go to a doctor for a diagnosis to be sure.
See this article: Ice Pick Headaches: The Basics
Also, if you are in need of a doctor, please check out our recommended specialists. Patient Recommended Migraine and Headache Specialists
Migraine and Headache Specialists: What's So Special?
I don't have an answer for you, but this happens to me too and on the same side. I would also like to know the answer.