Central artery of the retina

Central artery of the retina

Central artery of the retina and its branches.

The Central artery of the retina is a branch of the ophthalmic artery that supplies blood to the inner layers of the retina. It is the only source of blood supply to the retina, making it a critical component of the visual system.

Anatomy

The central artery of the retina enters the optic nerve approximately 10-15 mm behind the globe (eye) and runs within the nerve to reach the retina. It is accompanied by the central vein of the retina, which drains blood from the retina.

Clinical significance

Blockage of the central artery of the retina, known as Central retinal artery occlusion, can lead to sudden, painless loss of vision. This is considered a medical emergency.

See also

• Ophthalmic artery
• Central retinal vein
• Central retinal artery occlusion

References

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