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.

Normal fundus

The central retinal arteries and veins emerge from the optic nerve head. The normal ratio of artery and vein is 2:3. The fovea, seen as a yellow spot, is located between the superior and inferior temporal vascular arcades. (Contributed by Dr. Prin Hantrakul.)

Related Article

Related Media