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Pterygium : Causes

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Causes List

Causes could include:
  • No known cause

Causes Overview Articles

Pterygium
The cause is unknown, but it is more frequent in people with excess outdoor exposure to sunlight and wind, such as those who work outdoors. Risk factors are exposure to sunny, dusty, sandy, or windblown areas. Farmers, fishermen, and people living...
Source:ADAM
Date:October 20, 2006
Pinguecula and Pterygium
The cause or causes of these disorders are unknown, but they are more frequent in people who live in sunny and windy climates and people whose jobs expose them to ultraviolet (UV) light (for example, farmers and arc welders). Pingueculae and ptery...
Source:Gale Encyclopedia of Medicine
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