CHAPTER 21 : The Orbit and Eyeball

Ophthalmic Artery & branches

Arises from the internal carotid artery

Branch
Distribution
Central artery of retina
  • Retina
Long and short cilliary arteries
  • Uveal tract of eyeball
Lacrimal artery
  • Lacrimal gland, Eyelids, Meninges
Muscular branches
  • Extra ocular muscles
Supratrochlear & supra orbital
  • Scalp, Frontal bone, Frontal sinus
Dorsal nasal arteries.
  • Nose
Anterior & posterior ethmoidal
  • Nasal cavity, Ethmoidal sinus, Sphenoidal sinus, cranial dura
   
   

 
 
Opthalmic Veins

Drain the orbital contents

Important communications:

  • Facial vein,
  • Pterygoid plexus
  • Cavernous sinus.