As the infection of the cornea with Bacillus pyocyaneus is comparatively rare, an epidemic of sixteen industrial cases seems worth reporting.
Bacillus pyocyaneus, like many micro-organisms, is occasionally found in a purely saprophytic state;1 Koch, in earlier studies, declared it to be an organism incapable of playing a pathogenic rôle. However, in certain strains, marked virulence has been noted. Infection of surgical wounds, otitis media, urinary infections, meningitis and pneumonia are the most frequent. The first eye case was reported in 1891 by Sattler.2 This followed a lacerating injury of the cornea due to a flying
foreign body. The same author reports a similar case in 1892 due to injury from a wood splinter. In both these eyes the infection went on to panophthalmitis necessitating enucleation. Haab, 3 in 1897, and Gallenga, 4 in 1898, each reported a similar case. The case of Bietti, 5 in 1899, is
GARRETSON WT, COSGROVE KW. ULCERATION OF THE CORNEA DUE TO BACILLUS PYOCYANEUS. JAMA. 1927;88(10):700–702. doi:10.1001/jama.1927.02680360012005
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