Comparison of Frequency of Use of Optive and Systane

The purpose of this study is subjectively compare duration of action between Optive and Systane.

Inclusion Criteria:

• Males or females > 18 years old
• Mild to moderate dry eye symptoms
• Score of at least 2 and no more than 4 on the SESOD at the initial screening visit
• Likely to complete all study visits and able to provide informed consent

Exclusion Criteria:

• Current use of topical cyclosporine
• Known contraindications to any study medication or ingredients
• Active ocular diseases or uncontrolled systemic disease (blepharitis patients that are actively being treated or disease that is uncontrollable)
• Ocular surgery within the past 3 months,
• Active ocular allergies