An antibiotic agent used topically in solution 0.1%, especially in the treatment of acanthamoeba keratitis. It is a member of the diamidine group of antibiotics. Although it may be used alone, it is most commonly used with polyhexamethylene biguanide, or with neomycin, or with chlorhexidine.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann