Study of Efficacy of Levofloxacin 0.5% Ophthalmic Solution Administered Three Times a Day for Bacterial Conjunctivitis

Inclusion Criteria: * Male and female patients between 18 and 70 years of age * Patients with Conjunctivitis (defined as the presence of three cardinal signs: conjunctival discharge, bulbar conjunctival injection and palpebral conjunctival injection) * Patients who have given and signed informed consent * The ability and willingness to comply with all study procedures Exclusion Criteria: * Insulin Dependent Diabetes Mellitus (IDDM) * Patients with keratitis or hordeolum * Glaucoma * Sjogren's Syndrom and "Sick Eye's Syndrom". * Ectropion, entropion; * Using contact lenses during the study * Poor visual acuity in the other eye * Prior and concurrent concomitant treatment glycocorticosteroids, immunosupressive therapy, if these treatments have not stopped at least 3 months prior to the start of the study; * Concurrent use of non- steriodal anti- inflammatory drugs (NSAIDs), with the exception of low- dose aspirin. (see par. 11.5) * Prior and concurrent systemic antibiotic treatment during last 7 days before the beginning the study.(see par. 11.5) * Concurrent other eye drops * All ocular surgeries which were performed less than 6 months before the beginning of the study. * Any clinical condition, which, in the opinion of the investigator would not allow safe completion of the protocol. * History of any malignancy within the past 5 years prior to study entry, except basal cell or squamous cell skin carcinoma. * Hypersensitivity to fluoroquinolons and benzalkonium chloride; * Intended or ascertained pregnancy or lactation; * Participation in a clinical trial within last 30 days.