Switching From Restasis to TRYPTYR

Inclusion Criteria: * Adults ≥18 years of age. * Have a history of DED for at least the past 6 months. * Are currently using Restasis as directed by their eye care provider for ≥1 month. * Participant intends to stop Restasis in the near future because and expressed dissatisfaction with effectiveness of Restasis in reducing dry eye symptoms.. * Are symptomatic as determined with the Eye Dryness visual analog scale (VAS) (Score ≥50), SPEED (≥7), and have an abnormal Schirmer test score \[≥2 to \<10 mm/5 min\]) at Screening/Baseline. * Have corrected distance visual acuity of 20/100 or better. * Willing to discontinue contact lens wear throughout the study. Exclusion Criteria: * Have a systemic health condition that is known to alter tear film physiology (e.g., primary and secondary Sjögren's syndrome). * Have a history of ocular surgery within the past 12 months. * Have a history of severe ocular trauma, active ocular infection or inflammation that is not dry eye related. * Punctal plugs in place for \< 3 months and/or Lacrifill in place for \> 5 months. * Have ever used Accutane or are currently using ocular medications (must washout from all dry eye medications/treatments at least 1 week before entry, except for Restasis). * Use of artificial tears within 2 hours prior to the baseline visit or during the study. * Are pregnant or breast feeding. * Have had a physical meibomian gland treatment withing 1 month of enrollment. * Have a condition or be in a situation, which in …