Patient Preference Comparison of AZARGA Versus COSOPT

Inclusion Criteria:

- 18 years of age or older.

- Clinical diagnosis of ocular hypertension, open-angle with our without
pseudoexfoliation or pigment dispersion glaucoma in both eyes.

- Be on a stable regimen of intraocular pressure-lowering (IOP) medication within 30
days of Screening visit.

- Be willing to discontinue the use of all other ocular drugs (prescribed and
over-the-counter) prior to receiving the screening dose during the screening visit
and for the entire course of the study.

- Other protocol-defined inclusion criteria may apply.

Exclusion Criteria:

- Known medical history of allergy, hypersensitivity or poor tolerance to any component
of the preparations to be used in this study that is deemed clinically significant in
the opinion of the principal investigator.

- Best corrected visual acuity worse than 20/80 Snellen in either eye.

- Corneal dystrophies in either eye.

- Risk of visual field or visual acuity worsening as a consequence of participation in
the study, in the investigator's best judgment.

- Bronchial asthma or a history of bronchial asthma, or severe chronic obstructive
pulmonary disease that would preclude the safe administration of a topical
beta-blocker.

- History of severe allergic rhinitis.

- Participation in any other investigational study within 30 days prior to the
Screening/baseline Visit.

- Other protocol-defined exclusion criteria may apply.