Standalone iStent Infinite and iDose TR for Management of Moderate to Severe Open Angle Glaucoma

Inclusion Criteria: * Moderate to severe open angle glaucoma (including POAG, PG, and PXG) * Open angle configuration (Shaffer grade ≥ 3), normal angle anatomy9 * Visual acuity HM or better * VF MD -6dB or worse * Failed medical therapy and/or laser treatment * Incisional glaucoma surgery contemplated as next intervention * Phakic or pseudophakic Exclusion Criteria: * Traumatic, uveitic, neovascular glaucoma, or angle closure glaucoma * Previous incisional glaucoma surgery * ALT; History of iridotomy, SLT, or micropulse laser trabeculoplasty within the prior 90 days * Active ocular inflammation or edema, clinically significant corneal dystrophy * Corneal or other pathology preventing accurate Goldmann applanation tonometry