There are many factors involved - how high has your blood pressure been? Is it normally high? Is it only high during pregnancy? Are you having any other symptoms, like racing heartbeat or shortness of breath? How often are your headaches? Do you normally get migraines? When do you see these spots, how often?
See, it isn't a simple answer to a question. There are a lot of things involved before anyone says what you could have or you surely don't have.
Pre-eclampsia is a condition that can require treatment for you and your baby's life. It is better to seek your doctor's advice rather than ask people on an anonymous message board when it comes to such grave issues.