DOSAGE AND ADMINISTRATION The recommended dosage regimen for the treatment of bacterial conjunctivitis is: Days 1 and 2 Instill one to two drops every two to four hours in the affected eye(s). Days 3 through 7 Instill one to two drops four times daily. The recommended dosage regimen for the treatment of bacterial corneal ulcer is: Days 1 and 2 Instill one to two drops into the affected eye every 30 minutes, while awake. Awaken at approximately four and six hours after retiring and instill one to two drops. Days 3 through 7 to 9 Instill one to two drops hourly, while awake. Days 7 to 9 through treatment completion Instill one to two drops, four times daily.