关键的区别——结膜黄斑和Pterygium Both Pinguecula and Pterygium are ophthalmological conditions characterized by the appearance of submucosal elevations on the conjunctiva. These are caused by actinic damages. Consequently, they are found in the areas of the conjunctiva that are mostly exposed to the sun such as the interpalpebral fissure. Pterygium originates in […]