An established diagnosis of: Primary open angle glaucoma, Normal tension glaucoma, Pigment dispersion glaucoma (PDG) or Pseudoexfoliative glaucoma (PEXG)
Inadequately controlled on maximum tolerated medical therapy
Mean Deviation (MD) \</= -3
Intraocular pressure of 14-28 mmHg
Endothelial Cell Count ≥1000 cells/mm2
You may not be if
An established diagnosis of: Closed-angle glaucoma or Secondary open-angle glaucoma (besides PDG and PEX)
Lens status: Aphakic patients or Anterior chamber intraocular lens
Previous procedures: Glaucoma shunt/valve/ surgery or cyclodestructive procedure, Selective laser trabeculoplasty within the past 3 months, Incisional ophthalmic surgery involving the conjunctiva within the past 3 months, Clear corneal cataract or trabecular meshwork surgery conducted within the past 6 months
Presence of intraocular silicone oil
No light perception vision
Current corticosteroid use (ocular or oral)
Conjunctival pathologies (e.g., pterygium)
Active inflammation (e.g., blepharitis, conjunctivitis, keratitis, uveitis)
Vitreous present in the anterior chamber
Active iris neovascularization or neovascularization of the iris within 6 months of the surgical date
Unwillingness or inability to give consent, accept randomization or return for and participate in scheduled protocol visits
Clareo Health | Preserflo MicroShunt Versus Trabeculectomy
