Diurnal and Nocturnal Effect of Travatan With SofZia Preservative on Intraocular Pressure and Ocular Perfusion Pressure

* Diagnosis of open-angle glaucoma or ocular hypertension, including pigment dispersion glaucoma and pseudoexfoliation glaucoma

* Age ≥ 18 or ≤ 90 years, of either gender, or any race/ethnicity

* Females who are currently pregnant or planning to become pregnant, as determined by history during the study period

* Diagnosis of any other form of glaucoma other than open-angle

* Schaffer angle grade < 2 in either eye by gonioscopy

* Chronic, recurrent, or severe inflammatory eye disease

* Intraocular surgery within 6 months or laser within 3 months

* History of active, recurrent, or chronic ocular infection with the Herpes Simplex Virus

* History of cystoid macular edema

* Inability to safely discontinue all ocular medications for 4 weeks

* Patients who smoke or have irregular daily sleep patterns

* Patients who have started or changed glucocorticoids therapy in the last 3 months

* Patients who are currently undergoing medical marijuana therapy

* Any use of a non-FDA approved medication for glaucoma in the last 3 months