Primary open angle glaucoma (POAG)- high pressure: Diagnosis based on optic nerve head rim loss and/or visual field defects and intraocular pressure (IOP) \>21 mmHg.
Primary open angle glaucoma, normal pressure: cfr high pressure but intraocular pressure ≤ 21 mmHg
Exfoliative Glaucoma (PEX): Diagnosis based on optic nerve head rim loss and/or visual field defects and intraocular pressure (IOP) \>21 mmHg, with exfoliation material in the anterior segment.
Pigmentary Glaucoma (PDG): Diagnosis based on optic nerve head rim loss and/or visual field defects and intraocular pressure (IOP) \>21 mmHg, with Krukenberg's spindle and/or pigment dispersed on the trabecular meshwork.
