Organism

Endophthalmitis

Spontaneous or postoperative:

Coagulase-negative staphylococci (70%) (GPC), S. aureus (10%) (GPC), viridans group streptococci (5%) (GPC in chains), S. pneumoniae (5%) (GPDC), gram-negative rods (6%) (eg, E. coli , Klebsiella sp., Pseudomonas sp.), and other gram-positive organisms (4%) (eg, group B streptococci, Listeria sp.).

Trauma: Bacillus sp. (GPR), fungi, coagulase negative staphylococci (GPC), streptococci (GPC), and gram-negative rods.

Postfiltering bleb created to control glaucoma: Viridans group streptococci (57%) (GPC in chains), S. pneumoniae (GPDC), H. influenzae (GNCB), M. catarrhalis (GNCB), S. aureus (GPC), S. epidermidis (GPC), enterococci (GPC), gram-negative rods.

IV drug abuse: Add Bacillus cereus.