A Study to Evaluate the Duration of LASTACAFT® in Acute Allergic Conjunctivitis

This study will evaluate the duration of action of LASTACAFT® and Pataday™ as compared to artificial tears (placebo) in the prevention of ocular itching associated with allergic conjunctivitis.

Inclusion Criteria:

• History of eye allergies within the past 24 months
• Willing to not wear contact lenses at least 72 hours prior to the study start and during the study period

Exclusion Criteria:

• Current eye infection
• Eye surgery within 3 months or vision correction surgery within 6 months
• Any planned surgery during the study or 30 days after the study