A disorder affecting the sclera. Examples include inflammatory processes (e.g., scleritis and episcleritis), and degenerative processes. Primary tumors of the sclera are extremely rare. The disease is MONDO_0001269 (scleral disorder). Also known as: disease of sclera, disease or disorder of sclera, disorder of sclera, sclera disease, sclera disease or disorder, sclera disorder.