How do you evaluate asymptomatic patients referred for benign intracranial hypertension?

"Benign intracranial hypertension" is not really the preferred term for pseudotumor cerebri or idiopathic intracranial hypertension (IIH) anymore, as the phenomenon can lead to permanent vision loss and thus cannot be considered truly benign.

Having said that, if the patient has no symptoms (no blur...

I agree with @Dr. First Last.

It is very important to recognize that the individual with headache or with brain imaging findings that could suggest raised intracranial pressure is not at risk for vision loss in the absence of papilledema. Therefore, anyone who is suspected of having "idiopathic intr...

Unless the patient has already seen ophthalmology and been diagnosed with papilledema, my first step would be to request that evaluation. Then if positive, I would proceed with MRI and if no contraindication, proceed with spinal tap for opening pressure. One interesting case I had turned out to have...