Efficacy and Safety of XEN® Gel Stent and Post-operative Management in Patients With Open Angle Glaucoma

Exclusion Criteria

• •angle closure glaucoma
• •secondary open angle glaucoma
• •previous glaucoma shunt/valve in the target quadrant
• •presence of conjunctival scarring, prior conjunctival surgery or other conjunctival pathologies (e.g., pterygium) in the target quadrant
• •active inflammation (e.g., blepharitis, conjunctivitis, keratitis, uveitis)
• •active iris neovascularization or neovascularization of the iris within 6 months of the surgical date
• •anterior chamber intraocular lens
• •presence of intraocular silicone oil
• •vitreous present in the anterior chamber
• •impaired episcleral venous drainage (e.g., Sturge-Weber or nanophthalmos or other evidence of elevated venous pressure)
• •known or suspected allergy or sensitivity to drugs required for the surgical procedure or any of the device components (e.g., porcine products or glutaraldehyde)
• •history of dermatologic keloid formation
• •previous photorefractive keratectomy