hi one week ago i had a terrible headache as i felt i was about to collapse.i had it for two days and i didn t use any medicine.i felt a lot of pressure on my brain and eyes.about 3 days ago i felt pain in my right eyes when i was trying to move it clock wise .and yester day i felt i have a blurred vision in my right eye.today it is worse and when i closed my left eye i can see a black cloudy area in front of every thing.just upper side of the screen.there is no sign of redness in my eye and there is no itching .what do you think.thanks for your help.