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Eyes and Vision
Pterygium
03
Aug
Aug
A pterygium is a triangular-shaped growth of fleshy tissue on the white of the eye that eventually extends over the cornea.
A pterygium is a triangular-shaped growth of fleshy tissue on the white of the eye that eventually extends over the cornea.
A pterygium reduces the vision in several ways:
Distortion of the corneal optics
This begins usually when the pterygium is greater than 2mm from the corneal edge (limbus).
Disruption of the tear film
The tear film is the first lens in the eye. Pterygia are associated with eyelid inflammation, called Blepharitis.
Growth over the corneal centre, which leads to dramatic reduction of vision.
Induced anterior corneal scarring, which often remains after surgical removal.