Safety and Effectiveness of the VisiPlate Aqueous Shunt in Patients With Refractory Open-Angle Glaucoma

Who May Qualify: - Open angle, pseudoexfoliative or pigmentary glaucoma - IOP at preoperative visit of ≥ 20mmHg and ≤ 40mmHg - Visual field mean deviation score of -3dB or worse - Area of healthy, free and mobile conjunctiva in the target quadrant - Shaffer angle grade ≥ 2 in the target quadrant Who Should NOT Join This Trial: - Angle closure glaucoma - Congenital, neovascular or other secondary glaucomas - Previous intraocular surgery, with the exception of uncomplicated cataract surgery - Previous glaucoma shunt/valve in the target quadrant - Clinically significant inflammation or infection in the study eye within 30 days prior to the operative visit - History of corneal surgery, corneal opacities or corneal disease - Retinal or optic nerve disorders, either degenerative or evolutive, that are not associated with the existing glaucoma condition Always talk to your doctor about whether this trial is right for you.