If you have not done so already, please go to the ER and get this checked, or, if you are alone, call 911, I would certainly not drive while like this. It is always good to have this type of problem checked, yes, it could be a migrane, but, if it were me, I would be in the ER now.
Get off the computer and get to an Emergency STAT! Call 911/your emergency number or have someone take you!