Feasibility Clinical Evaluation of the Calibreye System

Inclusion Criteria: * Open angle, pseudoexfoliative or pigmentary glaucoma * IOP at preoperative visit of ≥ 18mmHg and ≤ 45mmHg * Visual field mean deviation score of -3dB or worse * Area of healthy, free and mobile conjunctiva in the target quadrant * Shaffer angle grade ≥ 3 in the target quadrant Exclusion Criteria: * Angle closure glaucoma * Congenital, neovascular or other secondary glaucomas * Previous intraocular surgery (with the exception of laser trabeculoplasty or uncomplicated phacoemulsification with IOL occurring \> 3 months prior to the preoperative visit) * Previous glaucoma shunt/valve in the target quadrant * Clinically significant inflammation or infection in the study eye within 30 days prior to the preoperative visit * History of corneal surgery, corneal opacities or corneal disease * Active diabetic retinopathy