318 



BACTERIOLOGY OF THE EYE 



The record by Ellet is inexact. He takes no account of the previous 

 literature, and without any particulars speaks of Aapergtilut nigcr. 

 Penicillium glaucum is recorded in Wicherkiewicz's case, but it must 

 be considered as doubtful if this mould was really present, as it has 

 never been described as pathogenic. No particulars were given con- 

 cerning its morphology and cultures, and experiments on animals 

 were not carried out. 



From a white, prominent, partly delimited corneal infiltrate Baquis 

 cultivated a peculiar Hypliomyccte, whose identification was not pos- 



FIG. 70. UHTHOFF AND AXENFELD, KERATOMYCOSIS ASPERGILLINA. 

 Vegetable foreign body with mycelium. 



sible, as no spore formation was obtained (Oospora ascoform ? Verti- 

 cillium rubrum ?). 



Halbertsma also found that the Aspergillus flavescens was patho- 

 genic for the cornea of the rabbit. Aspergillus nigcr, A. ficuum, 

 A. u-entii, and to a very slight extent the A. candidus, have been 

 described as having a moderate degree of pathogenicity for the cornea 

 of the rabbit, and to a certain extent also for the vitreous and the 

 choroid. A. glaucus, ostianus, minimus, clavatus, varians, and novus, 

 on the other hand, were found to be quite inactive. Buchanan states 

 that many strains of Aspergillus and Penicillium are capable of patho- 

 genic activity. 



The relative rarity of keratomycosis, in proportion to the frequency 



