What is a pterygium Wikipedia?
A pterygium of the eye (plural pterygia or pterygiums, also called surfer’s eye) is a pinkish, roughly triangular tissue growth of the conjunctiva onto the cornea of the eye. It typically starts on the cornea near the nose. It may slowly grow but rarely grows so large that it covers the pupil and impairs vision.
Are Pterygiums hereditary?
Hereditary predisposition is fundamental for the onset and sustenance of pterygium. Pterygium size and severity are most likely to be determined by hereditary factors. Predisposition to pterygium occurrence most likely follows multifactorial mode of inheritance, which is of the polygenic model.
What is the best eye drops for pterygium?
Eye drops. You can treat the irritation and redness caused by a pterygium or pinguecula with simple eye drops, such as Systane Plus or Blink lubricants. If you suffer from inflammation, a course of non-steroidal anti-inflammatory drops (e.g. Acular, Voltaren Ophtha) may help.
What is the pathophysiology of pterygium?
The pathophysiology of pterygium is characterized by elastotic degeneration of collagen and fibrovascular proliferation, with an overlying covering of epithelium. Histopathology of the abnormal collagen in the area of elastotic degeneration shows basophilia with hematoxylin and eosin stain.
Why does pterygium occur?
Exposure to excessive amounts of ultra-violet (UV) light is thought to be the most significant cause of pterygia. This more common occurs in people living in sunny areas and in people whose jobs expose them to UV light (eg: farmers, fishermen, arc welders).
What causes of pterygium?
How can pterygium be prevented?
You can help prevent the development of a pterygium by wearing sunglasses or a hat to shield your eyes from sunlight, wind, and dust. Your sunglasses should also provide protection from the sun’s ultraviolet (UV) rays. If you already have a pterygium, limiting your exposure to the following can slow its growth: wind.
How do you stop pinguecula?
Prevention. The best methods to prevent a pinguecula is protect the eye from ultraviolet radiation by wearing certified wrap-around sunglasses and brimmed hats while outdoors. Some prescription glasses also have lenses capable of protecting the eyes from ultraviolet rays.
Can a pinguecula be removed?
A pinguecula is rarely surgically removed, and is usually treated with steroid eye drop. However, the eye drops do not make the pinguecula go away. If it is a major cosmetic concern or if it causes discomfort or interferes with blinking the pinguecula may be surgically removed.