Atlas of Human Anatomy by Netter

V 1 )

Vasculature of the Orbit

[Plate 91, Vascular Supply of Eye]

page 55

page 56

Arteries

Ophthalmic artery (main supply)

Enters orbit through optic canal

Lateral to optic nerve

Infraorbital artery from maxillary

Branches of ophthalmic artery

Supraorbital

Supratrochlear

Lacrimal

Dorsal nasal

Ethmoidal-anterior and posterior

Central artery of the retina

a. Branch of ophthalmic

b. Runs within dural sheath of optic nerve

c. Emerges at optic disc and branches over retina

Posterior ciliary arteries

a. Branches of ophthalmic

b. Six short to choroid

c. Two long to ciliary plexus

Anterior ciliary

a. From muscular branches of ophthalmic

b. Anastomoses with posterior ciliary arteries

Distribution of Branches of Ophthalmic Artery

Branch (in order of origin) Structures Supplied

Lacrimal artery Lacrimal gland, conjunctive and eyelids