Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

Myelinated nerve fiber layer

Although the disc margins appear blurred, the cause is congenital myelination of the nerve fiber layer, which must be distinguished from papilledema. (Contributed by Dr. Sashank Prasad.)

Associated Disorders

  • Bilateral disc edema
  • Idiopathic intracranial hypertension