Intrascleral plexus

Intrascleral Plexus is a network of blood vessels found in the sclera, the white outer layer of the eye. This plexus is part of the ocular circulation system, which provides nutrients and oxygen to the various structures of the eye.

Anatomy

The intrascleral plexus is located in the suprachoroidal space, between the choroid and the sclera. It is composed of small blood vessels that branch off from the long posterior ciliary arteries and the anterior ciliary arteries. These vessels form a dense network that supplies blood to the outer layers of the retina, the choroid, and the sclera.

Function

The primary function of the intrascleral plexus is to supply blood to the outer layers of the retina, the choroid, and the sclera. This is crucial for maintaining the health and function of these structures. The plexus also plays a role in the regulation of intraocular pressure, as changes in blood flow through the plexus can affect the pressure within the eye.

Clinical significance

Abnormalities in the intrascleral plexus can lead to various eye conditions. For example, blockages in the blood vessels of the plexus can cause ischemia (lack of blood supply) in the outer layers of the retina, leading to vision loss. In addition, inflammation of the plexus (scleritis) can cause severe eye pain and redness.

See also

• Ocular circulation
• Sclera
• Choroid
• Retina

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