Pterygium
A brief explanation

terygium is a raised, wedge-shaped growth of the conjunctiva.  Symptoms may include irritation, redness, tearing.  The capillaries nourishing the tissue may remain dormant, preventing the pterygium from growing over the central cornea.  If the pterygium does grow over the cornea, the vision may be affected and surgical removal is necessary.

Since pterygium is most commonly caused by sun exposure, protecting the eyes from sun, dust and wind is recommended.  Instilling artificial tears liberally is also helpful.  In some cases, steroid drops are prescribed to reduce inflammation.

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