Glaucoma Treatment Using Focused Ultrasound in Open Angle Glaucoma Patients

Inclusion Criteria: * Open Angle Glaucoma patient (Primary Open Angle Glaucoma (POAG) including Pigmentary Glaucoma (PG) and PseudoExfoliative Glaucoma (PXF)) * Any patients without previous conventional glaucoma surgery failure (trabeculectomy, Deep Sclerectomy, Ahmed valve, drainage device implantation, cyclo cryotherapy, Diode laser cyclo-destruction) * Subjects where the IOP is not adequately controlled with glaucoma medication, with IOP ≥ 21 mm Hg and \<30 mmHg * No previous intraocular surgery or laser treatment during the 90 days before HIFU Day * Age \> 18 years and \< 90 years * Patient able and willing to complete postoperative follow-up requirements Exclusion Criteria: * Patient who has been diagnosed for normal tension glaucoma * Ocular or retrobulbar tumor * Ocular infection within 14 days prior to the HIFU procedure * Ocular disease other than glaucoma that may affect assessment of visual acuity and/or IOP (choroidal hemorrhage or detachment, lens subluxation, thyroid ophthalmopathy, proliferative diabetic retinopathy, clinically significant macular edema…)