Table 2.

Useful Antibiotics in Multidrug Resistance for Bacterial Keratitis

	Antibiotic	Topical Concentration
Gram positive bacteria	Linezolid	2 mg/mL37,38
MDR P. aeruginosa	Colistin	1.0–1.9 mg/mL43,48,53
MDR Gram negative bacteria (ESBL producers), Nocardia, nontuberculous Mycobacteria	Imipenem	1–5 mg/mL43,46,50