The objective of this clinical study is to evaluate the safety and efficacy of NCX 470 Ophthalmic Solution in lowering intraocular pressure (IOP) in subjecs with ocular hypertension or open-angle glaucoma. Subjects will be randomized in a 1:1 ratio to NCX 470 0.1% or to latanoprost 0.005% to be administered to both eyes once daily in the evening for up to 12 months.

Inclusion Criteria:

• Diagnosis of open-angle glaucoma or ocular hypertension in both eyes
• Qualifying IOP at 3 time points through the day at 2 visits following washout of IOP-lowering medication, if applicable
• Qualifying best-corrected visual acuity in each eye
• Ability to provide informed consent and follow study instructions

Exclusion Criteria:

• Narrow anterior chamber angles or disqualifying corneal thickness in either eye
• Clinically significant ocular disease in either eye
• Previous complicated surgery or certain types of glaucoma surgery in either eye
• Incisional ocular surgery or severe trauma in either eye within the past 6 months
• Uncontrolled systemic disease

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