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Muscles, Nerves, and Blood Vessels of the Eyes

By

James Garrity

, MD, Mayo Clinic College of Medicine and Science

Last full review/revision Mar 2019| Content last modified Mar 2019
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The optic nerve (a cranial nerve), which carries impulses from the retina to the brain, as well as other cranial nerves, which transmit impulses to each eye muscle, travel through the orbit (the bony cavity that surrounds the eyeball).

An ophthalmic artery and a central retinal artery (an artery that branches off of the ophthalmic artery) provide blood to each eye.

Similarly, ophthalmic veins (vortex veins) and a central retinal vein drain blood from the eye. These blood vessels enter and leave through the back of the eye.

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Test your knowledge

Herpes Zoster Ophthalmicus
Herpes zoster ophthalmicus is an infection of the eye caused by the varicella-zoster virus. This virus also causes chicken pox and shingles. Which of the following describes the mechanism by which herpes zoster ophthalmicus causes infection?
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