Rocklatan® Evaluation

Key Inclusion Criteria: * Male or female subjects age 18 or older * Current diagnosis of open-angle glaucoma or ocular hypertension * Subject currently being treated with latanoprost alone or latanoprost plus 1 or 2 additional agents/bottles. Current IOP lowering regimen is stable for at least 30 days prior to Baseline Visit * Treated IOP ≥ 20 mmHg measured in the morning (before noon) at the Baseline Visit by Goldmann applanation tonometer * Best corrected Snellen visual acuity of 20/100 or better in both eyes * Willingness to follow protocol requirements, including signed informed consent and health information release forms, routine follow-up schedule, completing questionnaires Key Exclusion Criteria: * Have any active ocular disease other than open-angle glaucoma or ocular hypertension that would interfere with study interpretation * Use of fixed dose combination agents as part of the patient's Baseline IOP lowering therapy regimen, if not also on latanoprost * Active ocular infection/inflammation or history of uveitis * Aphakic or pseudophakic patients with a torn posterior lens capsule, or with known risk factors for macular edema * Any systemic disease or clinical evidence of any condition which would make the subject, in the opinion of the investigator, unsuitable for the study or could potentially confound the study results * Use of topical, periorbital, intravitreal or systemic steroid within previous 3 months or expected use during the course of the study * Prior participation in any investigational drug or device study within the last 30 days prior to the Baseline Visit. * Known sensitivity or allergy to the study medication or components * Females who are pregnant, nursing, or planning a pregnancy during the study * Positive pregnancy test at Baseline Visit (women of childbearing potential only) * Women of childbearing potential who are not using a medically acceptable form of birth control