Overview Patient Perception Study for AL-4943A Status: Completed Trial end date: 2011-10-01 Target enrollment: Participant gender: Summary To evaluate patient perceptions of Al-4943 in subjects with allergic conjunctivitis previously treated with a topical ocular anti-allergy leukotriene-release inhibitor medication. Phase: Phase 4 Details Lead Sponsor: Alcon ResearchTreatments: Olopatadine Hydrochloride