VIGAMOX EYE DROP contains moxifloxacin, which is a fluoroquinolone antibiotic. It works by stopping the growth of bacteria that cause eye infections. This medication is used to treat bacterial conjunctivitis (pink eye) and other bacterial infections of the eye. It is important to follow the dosage instructions provided by your healthcare provider and to use the medication for the full prescribed length of time to ensure the infection is fully treated. If you experience any severe side effects or allergic reactions while using VIGAMOX EYE DROP, contact your healthcare provider immediately.