822 



BACTERIOLOGY OF THE EYE 



paralytic keratitis, 1 and in London by Macnab. 2 A clinical point of 

 great interest is that the bacillus has only been found in cases of 

 inflammation of the cornea. In such cases they can be found in the 



FIG. 71. CLINICAL SKETCHES OF CASES OF ZUE NEDDEN'S MARGINAL 

 ULCERATION (FROM ZUR NEDDEN). 



conjunctival sac, from whence they have passed into the cornea. In 

 a pure conjunctivitis they have not yet been found. 



The clinical appearance is so far typical in that the Zur Nedden's 

 bacillus alone has been found 

 in any quantity in these con- 

 ditions, provided that they are 

 not incidental in the progress 



FIG. 72. ZUR NEDDEN'S BACILLUS: 



TWENTY-FOUR HOUR GLYCERINE 



AGAR CULTURE, x 1,000. 



FIG. 73. ZUR NEDDEN'S BACILLUS: 

 AGAR PLATE CULTURE. 



Large superficial and small deep colonies. 



of other conjunctival infections (Koch- Weeks, diplobacillary, pneumo- 

 coccal, or staphylococcal) . 



1 Haupt, Inaug. Dissert., Bonn, 1902. Here are also given the full bacterial findings in 

 this affection. 



2 'Ulceration of the Cornea,' London, 1907. 



