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'''Disorders of the Conjunctiva''' encompass a range of medical conditions affecting the [[conjunctiva]], the thin, transparent membrane covering the white part of the [[eye]] (the sclera) and the inner parts of the eyelids. These disorders can vary widely in their causes, symptoms, and treatments. The conjunctiva plays a crucial role in eye health, providing a barrier against pathogens and aiding in the lubrication of the eye.

==Types of Conjunctival Disorders==
Several common conditions affect the conjunctiva, each with distinct characteristics:

===Conjunctivitis===
Also known as "pink eye," [[conjunctivitis]] is an inflammation or infection of the conjunctiva. It can be caused by [[viruses]], [[bacteria]], allergens, or irritants. Symptoms typically include redness, itching, and discharge. Conjunctivitis can be highly contagious, especially the viral and bacterial forms.

===Pterygium===
A [[pterygium]] is a benign growth on the conjunctiva that can extend onto the cornea. It is often related to excessive exposure to ultraviolet light or chronic eye irritation. Symptoms may include redness, irritation, and a feeling of a foreign body in the eye.

===Pinguecula===
Similar to a pterygium, a [[pinguecula]] is a benign, yellowish growth on the conjunctiva, usually on the side closest to the nose. It is also associated with long-term sun exposure and does not typically grow onto the cornea.

===Conjunctival Hemorrhage===
A [[conjunctival hemorrhage]] occurs when a small blood vessel in the conjunctiva bursts, leading to a red or blood-colored spot on the eye. This condition is usually harmless and resolves on its own, though it can cause concern due to its appearance.

===Dry Eye Syndrome===
[[Dry eye syndrome]] can affect the conjunctiva when the eyes do not produce enough tears or the tears evaporate too quickly. This can lead to irritation, redness, and a gritty feeling in the eyes.

==Diagnosis and Treatment==
Diagnosis of conjunctival disorders typically involves a thorough eye examination. Additional tests, such as swabs for culture in cases of suspected infection, may also be conducted. Treatment depends on the specific condition and its underlying cause. For example, bacterial conjunctivitis is usually treated with antibiotic eye drops, while allergic conjunctivitis may require antihistamines or steroid eye drops. Pterygium and pinguecula might not require treatment unless they interfere with vision or cause significant discomfort, in which case surgical removal may be considered.

==Prevention==
Preventive measures for conjunctival disorders include practicing good eye hygiene, using protective eyewear to shield the eyes from irritants and UV light, and managing environmental factors that can contribute to dry eyes.

[[Category:Eye Diseases]]
[[Category:Ophthalmology]]
{{medicine-stub}}

Disorders of conjunctiva - Revision history

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