Table 5.

Resistance patterns of frequent bacterial isolates recovered from corneal ulceration over an eight-year period (2005–2012) at a tertiary eye care facility in India.

Resistance to	Organism
	S. epidermidis   n (%)	S. aureus   n (%)	S. pneumoniae   n (%)	Bacillus spp. n (%)	Ps. aeruginosa   n (%)	Acinetobacter sp.   n (%)
8 antibiotics	0	0	0	0	1 (0.8)	0
7 antibiotics	1 (0.2)	1 (0.4)	0	0	0	0
6 antibiotics	4 (0.7)	1 (0.4)	1 (0.7)	0	2 (1.7)	0
5 antibiotics	13 (2.4)	2 (0.8)	1 (0.7)	0	0	1 (0.8)
4 antibiotics	22 (4.1)	6 (2.5)	15 (10.7)	1 (1.6)	3 (2.6)	0
3 antibiotics	39 (7.3)	23 (9.8)	45 (32.1)	3 (4.8)	2 (1.7)	2 (1.7)
2 antibiotics	83 (15.5)	29 (12.3)	39 (27.8)	6 (9.5)	19 (16.2)	3 (5.3)
1 antibiotic	128 (23.9)	48 (20.4)	21 (15)	7 (11.1)	63 (53.8)	11 (19.6)
0 antibiotic	244 (45.7)	125 (53.2)	18 (12.8)	46 (73)	27 (23)	39 (69.6)
Total isolates tested	534	235	140	63	117	56

n: number of isolates that showed resistance, %: corresponding per cent.

Selected antibiotics: amikacin, chloramphenicol, ciprofloxacin, gentamicin, gatifloxacin, moxifloxacin, ofloxacin, tobramycin.