_Papilledema

Papilledema is the main cause of vision loss and blindness for people with IIH. Those with IIH should be having regular check up's and visual fields testing with a Ophthalmologist.

Papilledema is an optic disc swelling that is secondary to elevated intracranial pressure. In contrast to other causes of optic disc swelling, vision usually is well preserved with acute papilledema. Papilledema almost always presents as a bilateral phenomenon and may develop over hours to weeks.

The term, as a matter of definition, is incorrect to be used to describe optic disc swelling with underlying optic nerve infectious, infiltrative, or inflammatory etiologies; but, it is correctly used if the underlying cause of elevated intracranial pressure is infectious, infiltrative, or inflammatory.

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