Safety and Effectiveness of Minimally Invasive Micro Sclerostomy (MIMS®) to Reduce Intraocular Pressure in Open-Angle Glaucoma Which is Not Controlled Despite Polypharmacy

Inclusion Criteria: 1. Male or female, ≥ 40 years to ≤ 85 years old 2. Inadequately controlled primary open angle glaucoma with screening mean diurnal IOP of ≥ 21 mmHg and ≤ 40 mmHg despite polypharmacy 3. Primary open angle glaucoma diagnosis based on: 1. Visual field mean deviation of -3dB or worse and 2. Glaucomatous optic nerve damage as evidenced by optic disc or retinal nerve fiber layer structural abnormalities documented on slit lamp stereo biomicroscopy or in stereo disc photos 4. Presence of healthy, free, and mobile conjunctiva in the target quadrant 5. Prior ab interno conjunctival-sparing glaucoma procedures were conducted more than 6 months prior to enrollment (e.g., iStent, Trabectome, gonioscopy-assisted transluminal trabeculectomy \[GATT\]) 6. Subject is able and willing to attend all scheduled follow-up exams 7. Subject understands and signs the informed consent