By Laura Liscum, Assistant Chair, PBGVCA Health Committee, 2022. POAG is a painful, blinding disease. The normal eye has cells that produce fluid and the drainage of this fluid from the eye must match its production in order to maintain normal pressure within the eye. When drainage is blocked, the increased intraocular pressure damages the optic nerve and results in pain and impaired vision. POAG In PBGVs