Neuro-ophthalmologists frequently care for patients with idiopathic intracranial hypertension (IIH), although many questions remain unanswered regarding its diagnosis, pathogenesis, and treatment. The Friedman-Jacobson criteria for the diagnosis of IIH specify lumbar puncture (LP) opening pressure values that are largely based on experience with little supporting normative data. Until recently,...

CASE REPORT The case involves a 22-year-old woman who presented with headache and decreased vision. She showed asymmetric papilledema, and a 6-mm tonsillar descent was observed in the image tests. She was diagnosed with secondary intracranial hypertension coinciding with the symptoms of a Chiari malformation (MC). DISCUSSION Chiari malformation type I is the most common in this group of malfo...