. The bacteriology of the eye. tisparenchymatosa, with Spirochceta (according to Giemsa and Levaditi). resulted. On severaloccasions gummatous or condylomatous changes were developed in the iris. 2 Berlin. Kliu. Woch., 1907, p. 75. SYPHILIS OF THE EYE 359 a considerableexamined. In generation, it is possible that they, like the Trypanosoma, will notshow their usual form in many of their stages. Spirochceta are scanty in the Giemsa preparationsnumber of them must therefore be stained andsuperficial processes, accordingto Schaudinn, another Spiro-chata is occasionally found, theSpiroclncta perfr
. The bacteriology of the eye. tisparenchymatosa, with Spirochceta (according to Giemsa and Levaditi). resulted. On severaloccasions gummatous or condylomatous changes were developed in the iris. 2 Berlin. Kliu. Woch., 1907, p. 75. SYPHILIS OF THE EYE 359 a considerableexamined. In generation, it is possible that they, like the Trypanosoma, will notshow their usual form in many of their stages. Spirochceta are scanty in the Giemsa preparationsnumber of them must therefore be stained andsuperficial processes, accordingto Schaudinn, another Spiro-chata is occasionally found, theSpiroclncta perfringens. Thisstains much more clearly withthe ordinary aniline stains, andwith the Giemsa method is blueand has no flagella?. According to Schaudinn, the Spiro-chccta pallida is between 10 and 15 nin length (by the silver method stilllonger spirals can be found), and ofan even breadth of only j m. The endsare pointed, and have each a coils are sharp, regular, short, andabout 1 jli (For methods, see Technique.). Fig. 77.— in the Corneaof a Babbit : Tangential Section. Microphoto by Hoffmann and Bertarelli;silver method. Positive inoculations can bemade on apes ; the skin of the eyebrows and the lid margins, as well as the genitals, is specially suit-able for inoculation. The surface is scarified, and the syphilitic materialis rubbed in. In two to seven weeks a hard sore results, and theusual symptoms follow. 1 Full details of the appearances and the differential diagnosis are to be found in themonograph by E. Hoffmann. Die Atiologie d. Syphilis. Berlin. 1906 (-T. Spinger). CHAPTER XENDOGENOUS INFECTIONS Endogenous Infections of the Conjunctiva (Cf. section Conjunctivitis, General, p. 108). Endogenous Infections of the Cornea. The avascular cornea can only be reached by the pyogenic organismsfrom the blood-stream indirectly. An isolated corneal metastaticabscess, in the sense that such an irritant can settle down and showactivity in the transparent
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