Pterygium

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Pterygium

Pterygium (pronunciation: /tɛˈrɪdʒiəm/) is a benign growth of the conjunctiva or mucous membrane that covers the white part of your eye (sclera). It can extend over the cornea and may potentially impair vision.

Etymology

The term "pterygium" is derived from the Greek word "pterygion", meaning "little wing". This is due to the wing-like shape the growth often takes on the eye.

Symptoms

Pterygium often presents with no symptoms, but in some cases, it can cause redness, inflammation, and a feeling of foreign body in the eye. In severe cases, it can cause visual impairment if it grows over the cornea.

Causes

The exact cause of pterygium is unknown, but it is often associated with excessive exposure to wind, sunlight, or sand. Therefore, it is more common in people who live in warm climates and spend a lot of time outdoors. It is also more common in middle-aged or older adults, but younger people can also develop pterygium.

Treatment

Treatment for pterygium depends on the severity of the symptoms. If the pterygium is small and causes no symptoms or vision problems, no treatment may be needed. However, if the pterygium causes persistent discomfort or interferes with vision, it may need to be surgically removed.

Related Terms

  • Conjunctiva: The clear, thin membrane that covers part of the front surface of the eye and the inner surface of the eyelids.
  • Cornea: The clear front surface of the eye that lets in light.
  • Sclera: The white part of the eye, a tough outer layer that protects the eye.

External links

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