Pterygium and Pinguecula are both caused by damage to the conjunctiva (a transparent, thin membrane that covers the white of our eye. There is a tendency to mistake one condition for the other. read more
UV light exposure puts you at risk for developing pterygiums and pingueculums. They most commonly present in individuals that grew up in the south and/ or spend a lot of time outdoors. Driving in the car without sunglasses also puts you at risk.