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 ...

Laura had pterygium, a painful, non-cancerous growth caused by too much sunlight exposure without wearing sunglasses or adequate sun protection. Essentially it is a 'fleshy overgrowth of the ...