Episclera

Episclera is the thin, outermost layer of the sclera, the white part of the eye. It is composed of loose, connective tissue and lies between the conjunctiva and the rest of the sclera. The episclera is responsible for supplying blood to the sclera and is also involved in the production of tears.

Structure

The episclera is a thin layer of tissue that lies between the conjunctiva and the sclera. It is composed of loose, connective tissue and contains many small blood vessels. These blood vessels supply the sclera with nutrients and oxygen. The episclera is also involved in the production of tears, which help to keep the eye moist and protect it from dust and other foreign particles.

Function

The main function of the episclera is to supply the sclera with blood. The blood vessels in the episclera carry oxygen and nutrients to the sclera, which is necessary for its health and function. The episclera is also involved in the production of tears. Tears are produced by the lacrimal glands, which are located in the upper outer corner of the eye. The tears then flow across the surface of the eye, keeping it moist and protecting it from dust and other foreign particles.

Clinical significance

Inflammation of the episclera, known as episcleritis, is a common condition that can cause redness and pain in the eye. Episcleritis is usually a self-limiting condition, meaning it often resolves on its own without treatment. However, in some cases, treatment with anti-inflammatory medications may be necessary.

Episcleritis should not be confused with scleritis, which is a more serious condition that involves inflammation of the deeper layers of the sclera. Scleritis is often associated with systemic diseases, such as rheumatoid arthritis, and requires more aggressive treatment.

See also

• Sclera
• Conjunctiva
• Episcleritis
• Scleritis

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