Study Design:~This study is a prospective, single-arm single-center, open-label study.~Study population:~Men and women diagnosed with open-angle glaucoma who require glaucoma surgery procedures that meet the inclusion/exclusion criteria and provide written informed consent will be enrolled in the study.~Enrollment:~A total of 30 subjects will be enrolled:~15 patients will be implanted according to procedure 1 (see section 8.7), at completion additional 15 patients will be implanted according to procedure 2 (see section 8.7)~Investigational sites:~One (1) center will participate in this study.~Duration of Subject participation:~Completion of active enrolment is anticipated to last approximately 6 months. The primary endpoint will be achieved when the final study subject has completed 6 months follow-up.~Study Group:~A single study group. This is a single-arm design; there is no control device in this study.~Visits & Procedures Pre-operative visit: 0-3 months prior to the implantation procedure. The visit will include the subject's qualification assessment for inclusion/exclusion criteria as described above. Informed consent must be signed.~Complete anamnesis will be taken including the subject's medical complaints, medical history, and medication use. Ophthalmic examinations as well as ultrasound biomicroscopy.~Surgical procedure: Procedure will be performed under anesthesia (at physician discretion) and a Hanita shunt will be implanted.~Follow-up: All subjects will have regular follow-up visits at 1 and 7 days and on 1, 3, and 6 months post-implantation. 1-year post-operative evaluation is optional at the sponsor's discretion. All postoperative visits will include a complete ophthalmic examination,
The HANITA Glaucoma Filtration Device is intended to reduce intraocular pressure in glaucoma patients where medical and conventional surgical treatments have failed.