Study of Two Marketed Ocular Anti-Allergy Medications in Subjects With Allergic Conjunctivitis

Inclusion Criteria: * Documented history of ocular allergy to cats. * Positive skin prick allergen reaction to cat dander. Exclusion Criteria: * Use of any topical or systemic corticosteroids, immunosuppressive agents, antihistamines, decongestants, NSAIDs, or asprin during the two weeks prior to enrollment into the study. * History of severe asthma, reactive airway disease or bronchial obstruction. * Ocular surgery or trauma in the last year.