How common is the pterygium condition?
Pterygia, which can vary in size and shape, are quite prevalent and are estimated to affect as many as 10 percent of the population in Queensland.
Pterygia appear to be somewhat less common in the southern regions of Australia, although exact prevalence rates in these areas can vary.
Why is pterygium so common?
While we don’t know all of the factors that are behind the cause of the condition, it has been strongly linked to excessive sunlight exposure, especially among those who spend a lot of time outdoors within their first 10 years of life.
The high occurrence of pterygia in Queensland may be attributed to a variety of factors, particularly the sunny climate and higher levels of UV exposure. As well as sun exposure, dry environments may also be a cause.
Who is prone to developing a pterygium?
Those who have been exposed to a high level of sunlight in the first ten years of life may face a higher likelihood of developing the condition later on in life. For example, research has found that a child growing up in Queensland is 40 times more likely to develop a pterygium than a person living in a state with less exposure to sunlight.
Additionally, those who work in or often visit significantly dry areas, like those in agriculture, construction, or outdoor sports, may also have a higher chance of developing a pterygium.
Genetics can also play a role, meaning that those with a family history of developing the condition may also be more prone.
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