Ophthalmic artery

Template:Infobox Artery

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

## Contents

* 1 Overview
* 2 Branches
* 2.1 Orbital group
* 2.2 Ocular group
* 3 Blood supply
* 4 Occlusion
* 5 Additional images
* 6 References
* 7 See also
* 8 External links

## Overview[edit | edit source]

The ophthalmic artery is a branch of the internal carotid artery which supplies branches to supply the eye and other structures in the orbit.

## Branches[edit | edit source]

The branches of the ophthalmic artery are often subdivided into an orbital group and an ocular group [2].

### Orbital group[edit | edit source]

The orbital group, distributing vessels to the orbit and surrounding parts, includes:

* Lacrimal artery
* Supraorbital artery
* Posterior ethmoidal artery
* Anterior ethmoidal artery
* Internal palpebral artery
* Supratrochlear artery, also known as the frontal artery
* Dorsal nasal artery

### Ocular group[edit | edit source]

The ocular group, distributing vessels to the eye and its muscles, includes:

* Long posterior ciliary arteries
* Short posterior ciliary arteries
* Anterior ciliary artery
* Central retinal artery
* Muscular artery

## Blood supply[edit | edit source]

Branches of the ophthalmic artery supply:

* Frontal belly of the occipitofrontalis muscle
* Inferior oblique muscle
* Inferior rectus muscle
* Lacrimal gland
* Lateral rectus muscle
* Levator palpebrae superioris muscle
* Medial rectus muscle
* Nasalis muscle
* Procerus
* Superior oblique muscle
* Superior rectus muscle

## Occlusion[edit | edit source]

As with central retinal artery occlusions, ophthalmic artery occlusions may result from systemic cardiovascular diseases; however, a cherry red spot is typically absent and the vision is usually worse. Amaurosis fugax is a temporary loss of vision that occurs in two conditions which cause a temporary reduction in ophthalmic artery pressure: orthostatic hypotension and positive acceleration.[1]

## Additional images[edit | edit source]

* Dura mater and its processes exposed by removing part of the right half of the skull, and the brain.

## References[edit | edit source]

1. ↑ Phelps GK, Phelps CD. "Blood pressure and pressure amaurosis." Invest Ophthalmol. 1975 Mar;14(3):237-40. PMID 1116922.

## See also[edit | edit source]

* Fluorescein angiography

## External links[edit | edit source]

* Template:LoyolaMedEd
* Template:SUNYAnatomyLabs

Template:Arteries of head and neck

Template:WikiDoc Sources

it:Arteria oftalmica no:Arteria ophthalmica