The purpose of this study is to evaluate the efficacy and safety of an anti-allergy drug with a contact lens compared to placebo in preventing ocular itching associated with allergic conjunctivitis

Inclusion Criteria:

• History of ocular allergies and a positive skin test reaction to cat hair, cat dander, grasses, ragweed, and/or trees withing the past 24 months
• Successful soft contact lens wearer who has frequently worn contact lenses for at least one month or more

Exclusion Criteria:

• Active ocular infection
• Clinically significant blepharitis
• Follicular conjunctivitis
• Pterygium
• Narrow angle glaucoma
• Dry eye dyndrome
• Ocular surgery within past 6 months
• Pregnancy or lactation