Efficacy and Safety of iStent in Reducing Intraocular Pressure in Open-angle Glaucoma

Exclusion Criteria

• •Patients with angle-closure, pigmentary or pseudo-exfoliative glaucoma;
• •Patients with traumatic, malignant uveitis, neovascular or glaucoma related to vascular diseases;
• •Suffering from severe diabetic retinopathy, retinal detachment, central retinal vein or artery occlusion, retinal chromosomal degeneration, macular degeneration, macular edema, and determined by researchers to potentially affect surgical safety;
• •Patients with identifiable congenital abnormalities of the anterior chamber Angle;
• •Having clinically significant corneal dystrophy, active inflammation or having undergone surgery that may interfere with the reliability of intraocular pressure measurement;
• •Patients with retrobulbar tumors, thyroid eye disease, cavernous sinus fistula, Sturge-Weber syndrome or any other disease that may cause elevated venous pressure in the outer sclera;
• •Suffering from eye or systemic diseases that affect surgical safety or subsequent examinations;
• •Pregnant women, lactating women, women of childbearing age who plan to get pregnant during the research period or are unable to take effective contraceptive measures;
• •Failure to follow the doctor's advice;
• •Other circumstances where the researcher determines that the patient is not suitable for inclusion