Pinguecula and pterygium are both types of non-cancerous tissue overgrowth. If a pinguecula progresses and grows into the cornea, it becomes a pterygium. You can use over-the-counter lubrication ...

Pediatrics 113:e365-e370, 2004. Brink DS, Luisiri A, Grange DK. Case report: lethal multiple pterygium syndrome. Pediatric Pathology and Molecular Medicine 22(6):461-470, 2003. Polski JM, Dunphy CH, ...