title: Lettsomian Lecture. Hansen's warning.
authors.forename: T
authors.initials: T
authors.lastname: Ffytche
mesh_terms: D001766:Blindness / Q000382:microbiology; D002386:Cataract / Q000382:microbiology; D003316:Corneal Diseases / Q000382:microbiology; D015818:Eye Infections, Bacterial / Q000150:complications* / Q000453:epidemiology; D006801:Humans; D015863:Iridocyclitis / Q000382:microbiology; D007918:Leprosy / Q000150:complications* / Q000453:epidemiology