Noun
A superficial growth of vascular tissue radiating in a fanlike manner from the cornea over the surface of the eye.
Source: Webster's dictionaryIn fact, pterygia (the plural of pterygium) that affect the vision can be surgically removed in about 30 to 45 minutes. Source: Internet
Some cases of surfer’s eye—especially minor cases—may not present any symptoms until the pterygium is big enough to see or feel. Source: Internet