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 ...

A recent study compared surgical methods for CCH and pterygium, assessing same-stage trapezoidal conjunctival flap transplantation, pterygium excision and scleral fixation surgery vs. staged ...