_{What is the relationship between optic nerve swelling and visual loss?}
Do you want the answers to these questions?

• Why do the optic nerves swell with increased intracranial pressure?
  
• What is the danger of papilledema to vision?
  
• Can vision loss be reversed?
  
• What are the earliest signs of permanent vision loss?
  

Michael Wall, M.D. of The University of Iowa Department of Neurology and Department of Ophthalmology and Visual Sciences has written this article which answers them.