Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Pterygium of the conjunctiva and cornea ?
    ### Response:
    Pterygium of the conjunctiva and cornea is a benign (non-cancerous) pink lesion that grows from the conjunctiva onto the cornea. They typically start from on the inner surface of the eye, and grow toward the the pupil. Long term exposure to ultraviolet light has been associated with causing this condition.
    