In this randomized crossover study, patients will receive a single drop of two test articles and assess comfort.

Inclusion Criteria:

• Sign informed consent;
• Diagnosis of glaucoma or ocular hypertension;
• On a stable regimen of any intraocular pressure (IOP) lowering medication (mono-therapy);
• IOP for which, in the opinion of the investigator, participation in the study does not present a risk to ocular health;
• Other protocol-defined inclusion criteria may apply.

Exclusion Criteria:

• Best corrected visual acuity worse than 0.60 logMAR (20/80 Snellen) in either eye;
• Pregnant, nursing, or not using highly effective birth control methods;
• Use of oral or topical corticosteroids within 30 days of the Screening Visit and during the course of the study;
• History of bronchial asthma or severe chronic obstructive pulmonary disease;
• Other protocol-defined exclusion criteria may apply.