Conditions

Pterygium

Pronounced ‘ter-ig-ium’, this is a benign growth of tissue that develops on the conjunctiva, the clear tissue covering the white part of the eye, and may extend onto the cornea.

What is Pterygium?

Sometimes called surfer’s eye, pterygium is a growth of pink tissue that spreads across the conjunctiva. It’s not a serious condition but can cause irritation and swelling and may affect your vision.

Pterygium is just one of the reasons it’s important to protect your eyes from sunlight and irritants. Its most common cause is long-term exposure to UV light, as well as dust and dryness. This is one of the reasons it’s sometimes referred to as surfer’s eye — surfers spend a lot of time in the sun exposing their eyes to the elements.

While the condition isn’t serious, it can be uncomfortable and may eventually affect your eyesight. Protecting your eyes from UV light using the right sunglasses can help minimise your risk of many eye conditions.

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Symptoms

Pterygium often appears as a raised, wedge-shaped bump with a pinkish appearance. It may have blood vessels and can be visible on the eye. Pterygium is associated with prolonged exposure to UV light, wind, dust and other environmental factors. People who spend a lot of time outdoors are more prone to pterygium. A pterygium may have very few symptoms initially but as they grow, it can lead to symptoms such as:
If it extends to the cornea then it will also affect vision.

Causes

The exact cause of pterygium is not fully understood, but some common factors that may contribute to its development include:
Chronic exposure to UV radiation from sunlight is considered a primary risk factor for the development of pterygium. This is why pterygium is more common in individuals who live in sunny climates or spend a lot of time outdoors.
Exposure to dry, dusty, or windy conditions can irritate the surface of the eye and contribute to the formation of pterygium.
There may be a genetic predisposition to developing pterygium, as it tends to run in families.
Factors such as chronic eye irritation from contact lenses, air pollution, or foreign body sensation can also play a role in the development of pterygium.
Some studies suggest that an inflammatory response in the conjunctiva may contribute to the formation of pterygium.
It is important to protect your eyes from UV radiation by wearing sunglasses and hats outdoors, as well as using artificial tears to keep the eyes lubricated in dry environments. If a pterygium causes symptoms such as redness, irritation, or vision disturbances, it may require treatment, such as lubricating eye drops, steroid eye drops, or surgical removal.

Treatments

In most cases, the symptoms of pterygium are mild. Dryness and discomfort can be managed using lubricating or medicated eye drops.

Surgery

Surgery is an option for treating more serious cases that affect vision or create treatment-resistant symptoms. Some people may also opt to undergo the surgery for aesthetic reasons. The procedure is usually carried out using local anaesthetic. Precision instruments are used to remove the pterygium tissue. Healing can be encouraged in a variety of different ways — often a portion of your own conjunctiva is used to cover the area in a process called auto-grafting.

Examinations

Pterygium surgery is a surgical procedure performed to remove a pterygium, which is a fleshy growth that can develop on the conjunctiva.

During the procedure, the surgeon will first numb the eye with local anaesthesia. The pterygium is then carefully removed. To prevent a pterygium returning, a technique called conjunctival autografting may be used. In this technique, a small amount of healthy tissue is taken from elsewhere in the eye and is transplanted into the area where the pterygium is. This helps to protect the exposed area, reducing the risk of recurrence.

After surgery, you may feel some discomfort, tearing, and sensitivity to light. It is important to follow the post-operative care instructions provided by the Regency Eye Hospital.

If you are facing any concerns? We're here to help!

Our experts can assist you in booking an appointment to discuss the most suitable treatment options for your specific needs.