It is a pinkish benign growth which also grows on the white of your eye(sclera), towards your cornea. It also appears at the 3 or 9 o’clock positions which are the parts of the eye normally exposed to the sun. It is also associated with excessive exposure to wind and sand.
Since it grows towards the cornea it is able to affect one’s vision either by obstruction or inducing astigmatism (it may interfere with corneal curvature).
It comes with with several symptoms including:
�Redness of eye
Pterygium is common among people living along the equator and in windy areas. It is also more likely to occur in men than in women.
Pt is more common in
*Welders and factory workers
*Long exposure to UV radiations
*Living in a dry and dusty environment.
*STI (HBV and Herpes virus)
TYPES OF PTERYGIUM
*Progressive Pterygium : appears as thick and fleshy. It has an opaque kind of spot known as the stocker’s line.
*Atropic Pterygium: appears thin and reduced in nature. Stocker’s line is absent.
Fig 1. Picture of Progressive Pterygium and Atropic Pterygium
When pterygium poses a problem to your vision or causes discomfort, surgery may be required. If not, symptoms may be relieved wit artificial tears. Growth may reappear during the first 12 months of surgery so it is necessary to wear wraparound frame sunglasses when outdoors.Pterygium is common among people living along the equator and in windy areas. It is also more likely to occur in men than women since it grows towards the cornea it is able to affect one’s vision either by obstruction or inducing astigmatism (it may interfere with corneal.
*To prevent pterygium growth, always wear sunglasses when outdoors; make sure they have *99%-100% UV A and UV B radiation protection.
Avoid prolonged exposure to sunlight