Microbial Contamination and Antimicrobial Resistance in Use of Ophthalmic Solutions at the Department of Ophthalmology, Jimma University Specialized Hospital, Southwest Ethiopia

Table 4

Resistance pattern of Gram-positive and Gram-negative isolates from eye drop bottles at the Department of Ophthalmology, Jimma University from June–December, 2015.

Organisms	No	Antimicrobial agent
		Penicillin	Tetracycline	Chloramphenicol	Gentamicin	Oxacillin	Vancomycin	Norfloxacin	Erythromycin	Ciprofloxacin	Cefuroxime
S. aureus	17	17	17	4	5	7	12	4	17	0	12
Bacillus spp	5	5	5	1	1	4	3	1	5	0	5
S. saprophyticus	3	3	3	2	0	2	2	0	3	0	2
S. epidermidis	2	1	2	1	1	0	0	0	2	0	1
Corynebacterium spp	1	1	1	0	1	1	0	1	1	0	1
Proteus spp	5	5	5	0	0	5	5	0	5	0	3
Klebsiella spp	5	5	5	2	2	4	4	2	5	1	4
Pseudomonas spp	2	2	2	1	1	2	2	1	2	1	1
Serratia spp	2	2	2	0	0	2	2	0	2	0	1
Morganella morganii	2	1	2	1	0	2	1	1	2	0	1
Citrobacter spp	2	2	2	0	1	2	2	0	2	0	1
E. coli	2	2	2	1	0	2	2	1	2	0	2
Edwardsiella spp	2	2	2	1	0	2	2	0	2	0	2
Providencia spp	2	2	2	2	1	2	2	2	2	1	2
Salmonella spp	2	2	2	0	0	2	2	0	1	1	2
Acinetobacter spp	2	2	2	1	0	2	2	0	2	0	2