The purpose of this study is to evaluate the clinical effectiveness and tolerability of SYSTANE® Complete in adult patients with dry eye disease. Fluorescein-stained tear film break-up time (TFBUT) will be evaluated as the primary objective.

Patients will attend 4 scheduled visits: Screening Visit (Day -7 to Day 0), Visit 1/Baseline Visit (Day 1), Visit 2 (Day 14) and Visit 3 (Day 28).

Inclusion Criteria:

• Must have TFBUT of ≤ 5 seconds in at least one eye at Screening visit.
• Must have best corrected visual acuity (BCVA) of ≥ 20/80 (or ≥ 55 letters score or ≥ 0.6 early treatment diabetic retinopathy study (ETDRS) log of the minimum angle of resolution (LogMAR) value) in both eyes at the Screening visit.
• Must be willing to discontinue use of all artificial tear supplements and use only the study product as directed for the entire study duration.

Exclusion Criteria:

• History of hypersensitivity to the study drug or any of its excipients or to drugs of similar chemical classes.
• Use of any topical ocular medication preserved with benzalkonium chloride or other products known to be toxic to the tear film lipid layer within 1 month prior to the Screening visit.

Other protocol-specified inclusion and exclusion criteria may apply.