Efficacy and Safety of COMBIGAN® in Korean Patients With Primary Open Angle Glaucoma (POAG) and Normal Tension Glaucoma (NTG)

Inclusion Criteria: * Patients with Primary open angle glaucoma (Regardless of Intraocular pressure) * Previous history of topical beta-blocker use and insufficiently controlled IOP Exclusion Criteria: * Pigmentary or exfoliative glaucoma * History of angle-closure or an occludable angle by gonioscopy * Prior filtration or laser iridotomy * Argon laser trabeculoplasty or Selective laser trabeculoplasty performed less than 6 months * History or signs of chronic inflammatory eye disease, ocular trauma, or potentially progressive retinal disease