Evaluation of Efficacy of Ophthalmic Solution in Seasonal Allergic Conjunctivitis

Inclusion Criteria: * history of positive diagnostic test for ragweed within the past 2 years; * positive bilateral response to ragweed as induced by conjunctival allergen challenge Exclusion Criteria: * ocular infection; * history of retinal detachment, diabetic neuropathy, or any progressive retinal disease; * moderate to severe asthma; * dry eye syndrome; * history of severe, unstable, or uncontrolled cardiovascular, pulmonary, hepatic, renal or autoimmune disease; * pregnancy or lactation