papilledema

Introduction

Edema of the optic disc.

Etiology

• increased intracranial pressure
  • brain tumor
  • obstructive hydrocephalus
  • cerebral venous thrombosis
  • pseudotumor cerebri
  • hypertensive emergency (less common)

Clinical manifestations

• visual acuity generally unaffected
• pupillary reflexes normal
• headache & transient vision loss associated with increased intracranial pressure

Diagnostic procedures

• ophthalmoscopy
  • lipid (appears yellow) leaks out into the macula
  • elevated optic disc & indistinct disc margins

More general terms

• sign/symptom

Additional terms

• increased intracranial pressure (ICP)
• optic disk, discus nervi opitci, Mariotte's blind spot, optic papilla or porus opticus