Short posterior ciliary artery

Arteries of eyeball – lateral view
Origin – ophthalmic artery

Course and supply:

  • they are about 7 in number
  • passes along the sides of the optic nerve to reach the eyeball
  • divides into 15-20 branches
  • pierce the sclera around optic nerve and enters eyeball
  • supplies choroid and anastamose with branches of central retinal artery at the optic disc
  • They form short posterior ciliary arteries anastomose with each other and form an anastomotic ring around the optic disc – circle of Zinn

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