Sign Up for a Free Account

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

Sign Up for a Free Account For information on discounts, see Plans & Pricing

  • 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.

  • Listen to MedLink on the go with Audio versions of each article.

Optic nerve hypoplasia in an infant (fundus photograph)

Note small, pale optic disc. (Courtesy of the late Dr. William Clarke)

Related Media

Associated Disorders

  • Agenesis of cerebellar vermis
  • Agenesis of corpus callosum (partial or complete)
  • Amniotic bands
  • Anophthalmia
  • Arachnoid cyst
  • Arrhinencephaly
  • Autism spectrum disorder
  • Bilateral rolandic cortical dysplasia
  • Diabetes insipidus
  • Epilepsy
  • Falx cerebri hypoplasia
  • Gray matter heterotopia
  • Hippocampal hypoplasia
  • Holoprosencephaly
  • Hydranencephaly
  • Intrauterine infection
  • Kallmann syndrome
  • Limb reduction abnormalities
  • Olfactory bulb and tract hypoplasia
  • Periventricular leukomalacia
  • Polymicrogyria
  • Porencephaly
  • Schizencephaly
  • Septo-optic dysplasia
  • Septopreoptic holoprosencephaly
  • Waardenburg syndrome