This group of corneal disorders includes more than 20 variations. Each affects different parts of the cornea, causing it to get cloudy and compromising vision. Most of these dystrophies are inherited, affect both eyes equally and spread between layers of the cornea as they gradually progress.

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