This is an antibiotic (besifloxacin) used with eye infections and after cataract surgery.  This drug is in the fluoroquinolone class of drugs and is good for treating contact lens-related infections as well.  The claim to fame with this particular medicine is that it was developed only for the eye and not used for systemic infections (or on chickens in poultry farms) so there is less chance of bacterial resistance developing.  Comparable drops in the same drug class include Zymaxid (gatifloxacin) and Vigamox (moxifloxacin).

Dr. Timothy Root is a practicing ophthalmologist and cataract surgeon in Daytona Beach, Florida. His books, video lectures, and training resources can be found at:


  1. Besivance is a good drop that I use routinely after cataract surgery. I’ve had some complaints from patients about the thickness of the drop, and that it stings a bit. It is also quite expensive if not on your prescription drug coverage.


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