title: A thirteenth-century ophthalmologist, Benvenutus Grassus: his treatise and its survival.
authors.forename: L M
authors.initials: LM
authors.lastname: Eldredge
mesh_terms: D002386:Cataract / Q000266:history; D005128:Eye Diseases / Q000266:history; D005131:Eye Injuries / Q000266:history; D049691:History, Medieval; D006801:Humans; D019364:Humoralism; D008374:Manuscripts, Medical as Topic / Q000266:history*; D009885:Ophthalmology / Q000266:history*