Clinical Evaluation of Safety and Efficacy of Refrigeration Free Latanoprost

Inclusion Criteria: * Patient between 18 and 80 years of age * Newly diagnosed Primary Open-Angle Glaucoma, Pigmentary Glaucoma, Pseudoexfoliation, or Ocular hypertension. * Patient has a mean (or median) IOP of 24 and 36 mmHg in at least one eye * Patient has a best corrected ETDRS visual acuity score of +0.6 logMAR (Snellen equivalent of 20/80) or better in each eye. * Patient should have the access / ability to refrigerate study drug. * Residence with 60 kms of Madurai Exclusion Criteria: * Patient has a mean (or median) IOP \>36 mmHg in either eye at the Screening Visit. * Patient has a history of or current abnormal corneal sensation or any abnormality in either eye preventing reliable Goldmann applanation tonometry * Pupil in either eye that will not dilate sufficiently for adequate evaluation of the retina * Patient has a history of retinal detachment, proliferative diabetic retinopathy, or any retinal disease in either eye that may be progressive during the study * Patient who has significant ocular symptoms or signs such as photophobia, flashes or streaks of light, metamorphopsia, diplopia, or transient loss of vision in either eye. * Patient has had intraocular surgery (e.g., cataract extraction) in either eye within 4months prior to Screening visit. * Patient is aphakic or has, in the judgement of the investigator, risk for ocular inflammation