Glaucoma Treatment by Circular Cyclocoagulation Using High Intensity Focused Ultrasound With the EYEOP Medical Device

Inclusion Criteria: * Primary open angle glaucoma included pseudo-exfoliative glaucoma and pigmentary glaucoma in the study eye with maximally tolerated medical treatment * Ocular hypertension defined as an intraocular pressure (IOP) \> 21 mm Hg * Subject has failed a conventional intraocular glaucoma filtering surgery * Patient must be aged 18 years or more * No previous intraocular glaucoma surgery or laser treatment in the study eye during the 3 months before HIFU treatment * No previous cyclophotocoagulation procedure in the study eye * Patient able and willing to provide informed consent and to complete post-operative follow-up requirements. Exclusion Criteria: * History of previous glaucoma surgery with implantation of glaucoma drainage device in the study eye * History of ocular or retrobulbar tumor * Retinal detachment, choroidal hemorrhage or detachment * Ocular infectious disease within 14 days before HIFU treatment