when the pressure inside your skull (intracranial pressure) increases for no obvious reason, occurence of Pseudotumor cerebri is observed. It is most common in obese women of childbearing age. the exact cause is unknown. Several studies indicate that many people with pseudotumor cerebri have a narrowing (stenosis) in two large sinuses in the brain (transverse sinuses).
Symptoms are moderate to severe headaches that may originate behind your eyes and worsen with eye movement, Ringing in the ears that pulses in time with your heartbeat (pulsatile tinnitus), Nausea, vomiting or dizziness, Blurred or dimmed vision, Brief episodes of blindness, lasting only a few seconds and affecting one or both eyes (visual obscurations), Difficulty seeing to the side, Double vision (diplopia), Seeing light flashes (photopsia).