All of the below statements are true about papilledema, EXCEPT:
In papilledema, the alteration in the pressure gradient across the lamina cribrosa causes stasis of axoplasmic flow which in turn causes venous congestion, axonal swelling, and extracellular edema. Ref: Parson's Diseases of the Eye, 20th Edition, Page 330; Ophthalmology: A Pocket Textbook Atlas By Gerhard K. Lang, 2007, Page 382.
Extracellular edema
Disruption of neurofilament
Stasis of axoplasmic flow
Axonal swelling