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A pterygium can return after it is removed.
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Most pingueculae and pterygia grow slowly and almost never cause significant damage, so the prognosis is excellent. Again, a diagnosis must be made to rule out other more serious disorders.
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A pterygium is a non-cancerous growth of the clear, thin tissue that lays over the white part of the eye (conjunctiva. One or both eyes may be involved.
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Pinguecula and pterygium are both non-malignant, slow-growing proliferations of conjunctival connective tissue in the eye. Pterygia, but not pingueculae, extend over the cornea.
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