Dr. W. H. Bates, New York City
—The title of the paper is "Secondary Operations on the Capsular Membrane," and I am going to say something that will probably provoke a great deal of criticism. In all the text-books I have examined, secondary cataract is described as being due to a thickening or wrinkling in the posterior capsule of the lens. I have not been able to find any one who has ever seen under the microscope a cataract caused by any thickening or any change in the posterior capsule of the lens alone. But we do find in every case of secondary cataract that I have been able to see in the human subject, a posterior capsule which may be thrown into folds or may be flat, with a layer of connective tissue on its anterior surface. I have specimens in which this layer of connective tissue is fifty
DISCUSSION. JAMA. 1900;XXXV(19):1211–1213. doi:10.1001/jama.1900.24620450027001i
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