Subject has history of glaucoma surgery (filtering, glaucoma drainage device, cyclo destructive procedures)
Subject has history of penetrating keratoplasty (PKP)
Subject underwent large incision extra capsular cataract extraction
Subject had cataract phacoemulsification within the last month
Subject has a visually significant cataract that is planned for extraction at the time of filtering surgery or within 12 months thereafter
Any ocular disease or history in the operated eye other than glaucoma and cataract, such as uveitis, ocular infection, severe dry eye, severe blepharitis , active proliferative retinopathy, ICE syndrome, epithelial or fibrous down growth, aphakia, and ocular pathology that may interfere with accurate IOP measurements
Subject has vitreous present in the anterior chamber for which vitrectomy is anticipated
IOP of ≤18mmHg
Subject participates in any other concurrent ocular investigation.
