Vascular circle of optic nerve

Circulus vasculosus nervi optici

  • Latin eponym: Circulus vasculosus Halleri
  • Eponym: Circle of Zinn-Haller

Definition

The vascular circle of optic nerve is a small circle of arteries piercing the sclera and surrounding the optic nerve. They are sometimes called the "circle of Zinn-Haller".

References

Text by Antoine Micheau, MD - Copyright IMAIOS

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