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.

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

Goldmann perimetry

Larger and brighter isopters (II4e to V4e) are relatively preserved. However, the smaller and dimmer isopters (I3e and I2e) show moderately to severely constricted visual fields. (Contributed by Dr. Allison Liu.)

Related Media

Associated Disorders

  • Dominant optic atrophy
  • Mitochondrial disorders
  • Toxic and metabolic optic neuropathies