Conjunctival

Conjunctival is a term that refers to the conjunctiva, a clear, thin membrane that covers the front of the eye and the inner part of the eyelids. The conjunctiva helps to lubricate the eye by producing mucus and tears, and it also helps to prevent the entrance of microbes into the eye.

Anatomy

The conjunctiva is divided into two sections: the bulbar conjunctiva, which covers the anterior part of the sclera (the white part of the eye), and the palpebral conjunctiva, which lines the inner surface of the eyelids.

Functions

The primary functions of the conjunctiva include the following:

• Lubrication: The conjunctiva produces mucus and tears that help to keep the eye moist and comfortable.
• Protection: The conjunctiva acts as a barrier to prevent microbes and foreign objects from entering the eye.
• Immune surveillance: The conjunctiva contains immune cells that help to defend the eye against infections.

Diseases and Conditions

There are several diseases and conditions that can affect the conjunctiva, including:

• Conjunctivitis: This is an inflammation of the conjunctiva, often caused by an infection or an allergic reaction.
• Pterygium: This is a growth of the conjunctiva that extends onto the cornea, often caused by prolonged exposure to ultraviolet light.
• Conjunctival nevus: This is a benign growth on the conjunctiva, similar to a mole on the skin.
• Conjunctival melanoma: This is a rare form of eye cancer that originates in the conjunctiva.

Treatment

Treatment for conjunctival diseases and conditions depends on the specific problem and may include medications, eye drops, or surgery.

See Also

• Eye
• Cornea
• Sclera
• Conjunctivitis
• Pterygium
• Conjunctival nevus
• Conjunctival melanoma

Conjunctival Resources
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