A Comparison of Optive in Patients Previously Using Systane for the Treatment of Dry Eye

To evaluate the effectiveness of NGT (Optive) vs. Systane Tears for patients with moderate to severe dry eye disease.

Inclusion Criteria:

• · Dry eye disease diagnosis

  • Patients must currently be using Systane tears at least once a day and for at least 1 month.
  • Normal lid position and closure
  • Male or female of legal age of consent
  • Informed consent has been obtained
  • Likely to complete all required follow-up visits

Exclusion Criteria:

• · Concurrent enrollment in an investigational drug or device study, or participation in such a study within 30 days of entry into this study.

  • Subject has a condition, or is in a situation which, in the investigator's opinion, may put the subject at a significant risk, may confound the study results, or may interfere significantly with the subject's participation in the study.