File:The bacteriology of the eye (1908) (14579883917).jpg

Identifier: bacteriologyofey00axen (find matches)
Title: The bacteriology of the eye
Year: 1908 (1900s)
Authors: Axenfeld, Th. (Theodor), 1867-1930 Macnab, Angus, tr
Subjects: Eye Eye
Publisher: New York : W. Wood and Company
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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ions a dendritic netlike structure was veryevident, produced by radially arranged needle-shaped crystals ; themost peripheral layers of the individual crystalline masses were THE LACRIMAL APPARATUS 287 stained dark brown. The Streptoihrix elements were no longervisible: still, the concretion had probably developed on such anorganic basis. When fully developed the clinical appearances are almost absolutely charac-teristic.1 The earliest records of this condition are by Cesoni (1670), Sandifors(1779), and Desmarres (1842). Albrecht von Graefe was the first to give a cleardescription (which still holds good) from ten cases under his own observation. Hestated definitely that the contents of the canaliculi must be of organic nature,and this was confirmed by the microscope. Graefe was at first inclined to identifythe mould with favus. Conheim, on the other hand, defined it as Leptothrix.His views were followed by Leber and Waldeyer, the latter because the concretion \ -)i. \ / J, U ! i? Z?J
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Fig. 57.—Concrejients : Dalens Case. in his case was dark brown, as is Leptothrix in the mouth. Both observersmake the reservation that the filaments which they found were here and therebranched, and also that they were different from Leptothrix in that thecharacteristic iodine reaction was not obtained. Graefe then adopted the name1 Leptothrix: and the disease went under this designation until 1875. The sameexplanation of the condition is repeated by Camuset and Hirschberg. FerdinandCohn differentiates the rnould from Leptothrix for the reasons already given;he considered that he had to do with a special form, and gave it the name ofStreptoihrix foersteri.- He stated that the filaments were of an even thickness 1 Very exceptionally other foreign bodies are found (Mitvalsky). I have seen syphilis ofthe canaliculus showing this appearance. 2 Cazalis is quite wrong in applying this name to a variety of Streptoihrix, growing onagar as a thick dry mass, and which he obtained from the co

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