could you be getting migraines? if your headaches last a while and you have changes to your vision or light sensitivity that may be what you have. did you actually injure your head? if so these symptoms may be very serious and you should see a doctor. if you are getting these headaches for no reason though it may be good to see a doctor anyway so they can help you with this.
head injury. i have been having severe headaches i would have to push my head together so i'd feel better. then if i would do that then the back of my head would hurt so i would release my head. i have been very nauseous i can't remember the date or the month or what i was talking about. i can't remember what else. but it's something else too. i always lose focus i can't seem to be focused because of my head. i can't really sleep at night unless i position myself in a weird position to sleep.