Blinded by the Light: Idiopathic Intracranial Hypertension

What to know:

• The brain and spinal cord are surrounded by dura, a membrane, and in typical adults there’s 150 mL of cerebrospinal fluid (CSF) in that region, which gets turned over 3 times a day
• But if a patient produces too much CSF and they can’t get rid of it in a timely fashion, there will...