1. Purulent otitis media, caused by the nasal douche, and accompanied by double hearing ; The influence of spectacles on the optical constants and visual acuteness of the eye ; Large cyst of the iris, cured by operation ; A case of extirpation of a cancroid growth of the inner canthus and upper eyelid : blepharoplasty by sliding flaps Author(s): Knapp, Herman, 1832-1911 Publication: New York : William Wood & Company, 1870 Subject(s): Eye DiseasesOtitis Media, SuppurativeEyeglasses