Phase 2b Controlled Study of Dosing Techniques - Part B

Inclusion: Self-reported diagnosis of DED in one or both eyes * BCVA +0.70 logarithm of minimum angle of refraction (Snellen equivalent 20/100) or better in each eye at the Screening Visit * For women of childbearing potential, confirmed negative pregnancy test at the Screening Visit, not nursing a child, and willing to comply with one of the acceptable methods of birth control described in the protocol * History (by subject recollection) of artificial tear use within 30 days prior to the Screening Visit * Unanesthetized Schirmer's test score 5-19 mm inclusive in at least 1 eye (same eye) at the Screening Visit and the Baseline Visit Exclusion Criteria: * Corneal fluorescein staining score of 4 in either eye in any zone using the National Eye Institute grading system at either the Screening Visit or the Baseline Visit * IOP ≥23 mmHg in either eye at either the Screening Visit or the Baseline Visit * History of glaucoma or ocular hypertension in either eye requiring past or current medical or surgical intervention