Pterygium is characterized by a pink tissue growth on the sclera (the white part of the eye), which seems to be the result of chronic exposure to ultraviolet light. In fact, because many surfers suffer from pterygium, the condition is often called surfer’s eye. Pterygium is not cancerous and may continue

This skin disorder, also called erythema multiforme major, sometimes causes painful lesions on the eyelids. Stevens-Johnson syndrome can cause painful corneal blisters and even holes, leading to vision loss.