Ocular Perfusion in Patients With Idiopathic Intracranial Hypertension

Inclusion criteria for patients with idiopathic intracranial hypertension * Men and Women aged ≥ 18 years * Signed informed consent * Newly diagnosed idiopathic intracranial hypertension or relapse of idiopathic intracranial hypertension * Non-Smokers Inclusion criteria for healthy age- and sex-matched control subjects * Men and Women aged ≥ 18 years * Signed informed consent * Normal ophthalmic findings, unless the investigator considers an abnormality to be clinically irrelevant * Normal findings in the medical history, unless the investigator considers an abnormality to be clinically irrelevant * Non-Smokers Exclusion criteria for patients with idiopathic intracranial hypertension and healthy age- and sex-matched control subjects: * Blood donation in the three weeks preceding the study * Symptoms of a clinically relevant illness in the three weeks preceding the study * Ocular inflammation or infection within the last 3 months * History or family history of epilepsy * Diabetes mellitus type 1 or type 2 * History or known presence of other cerebral vascular diseases (e.g.: arteriovenous malformation, aneurysm, major artery stenosis or occlusion) * History or known presence of intracranial infections (e.g.: meningitis) * History or known presence of other neurological diseases (e.g.: brain tumor, hydrocephalus, degenerative diseases) * Patients receiving corticosteroids or immunosuppressant therapy * Pregnant or breast-feeding women * Women of childbearing potential (neither menopausal, nor hysterectomized, nor sterilized) not using effective contraception