A Study of Glaucoma or Ocular Hypertension in Patients Within the United States

Inclusion Criteria:

• Unilateral or bilateral primary open angle glaucoma, capsular glaucoma, pigmentaryglaucoma or ocular hypertension.
• Patients currently on IOP reducing therapy: IOP greater than or equal to 25mmHg (LtwoIOP determinations at pre-study separated by at least one hour) OR Patients withoutIOP reducing therapy: IOP greater than or equal to 30mmHg (two IOP determinations atpre-study separated by at least one hour).

Exclusion Criteria:

• History of acute angle closure or closed/barely open anterior chamber angle.
• Current use of contact lenses.
• Ocular surgery or argon laser trabeculoplasty (ALT) within three months prior topre-study visit.
• Ocular inflammation/infection occurring within three months prior to pre-study visit.
• Hypersensitivity to benzalkonium chloride or to any other component of the study drugsolutions.
• Other abnormal ocular condition or symptom preventing the patient from entering thestudy, according to the investigator's judgement.
• Patients with conditions in which treatment with B-blocking agents arecontraindicated: cardiac failure, sinus bradycardia, second and third degreeatrio-ventricular block.
• Patients with conditions in which treatment with B-blocking agents arecontraindicated: bronchial asthma, history of bronchial asthma or chronic obstructivepulmonary disease.
• Inability to adhere to treatment/visit plan.
• Have participated in any other clinical study within one month prior to pre-studyvisit.