Vision Centre

Pterygium

A Pterygium is a piece of tissue (usually triangular) which grows from the conjunctiva (a thin membrane that covers the eye) onto the cornea (the clear central part of the eye). Usually from the inner corner of the eye closest to the nose.

The exact cause of Pterygium is unknown but the development of Pterygium is strongly linked with exposure to the sun and hot, dry environments. Pterygia  are common in central Australia, in Surfers and Farmers and people who spend a lot of time out doors, though anyone can develop a Pterygium.

Pterygium usually cause the sufferer similar symptoms to dry eyes. Itching, redness, irritation and watering eyes as well as foreign body sensation. A conservative approach to Pterygium surgery is usually the best course of action. Pterygia have a high chance of re-growth even with the advanced graft and removal surgery offered today. Pterygia may not cause major irritation as they are often slow growing and treatable with dry eye drops. However some Pterygia are aggressive and can advance onto the cornea to the point where they interfere with vision and become very uncomfortable. The only option in these cases is removal surgery. Protecting the eyes with ultraviolet wrap around sunglasses is always advised.