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Category Archives: Ocular

Idiopathic intracranial hypertension

Key Highlights Idiopathic intracranial hypertension (IIH) is a disorder of increased intracranial pressure in an alert and oriented patient. The most popular hypothesis is that IIH is a syndrome of reduced cerebrospinal fluid absorption.Clinical features include headaches, pulse-synchronous tinnitus, transient visual obscurations, visual loss, neck and back pain, and diplopia.Signs include papilledema, sixth nerve paresis, and disturbances in sensory visual function. Visual field loss is ubiquitous, and the prototype pattern for early loss is enlargement of the blind spot and…