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Colin I Clement,1–4 Frank Howes,5 Alexandros S Ioannidis,6 Michael Shiu,7 David Manning8 1Eye Associates, Sydney, NSW, Australia; 2Fairfield Eye Surgery, Fairfield, NSW, Australia; 3Glaucoma Unit, Sydney Eye Hospital, Sydney, NSW, Australia; 4Discipline of Ophthalmology, The University of Sydney, Sydney, NSW, Australia; 5Eye & Laser Centre Gold Coast, Southport, QLD, Australia; 6Vision Eye Institute, Melbourne, VIC, Australia; 7Laser Sight Laser Cataract & Lens Specialists, Sydney, NSW, Australia; 8Hunter Cataract & Eye Centre, Sydney, NSW, Australia Purpose: To assess the utility and safety of implanting two second-generation trabecular micro-bypass stents following cataract surgery in eyes with mild to advanced glaucoma or ocular hypertension (OHT). Patients and methods: Retrospective study of iStent®inject trabecular micro-bypass implantation with cataract surgery by five surgeons at five sites in Australia. Eyes had mild to advanced glaucoma (predominantly primary open-angle, appositional angle-closure, or pseudoexfoliative glaucoma) or OHT and cataract requiring surgery. Effectiveness measures included intraocular pressure (IOP); medication burden; and proportions of eyes with no medications, ≥2 medications, stable or decreased medications vs preoperative, and IOP ≤18 mmHg. Safety measures included visual acuity, cup-to-disc ratio (CDR), visual field (VF), complications, adverse events, and secondary surgical interventions. Patients have been followed for 12 months, and follow-up is ongoing. Results: Of the 290 total eyes that underwent surgery, 165 eyes had 12-month outcomes at the time of data collection and are included in this report. In these eyes, mean Month 12 IOP reduced by 23.2% from 18.27±5.41 mmHg preoperatively to 14.04±2.98 mmHg (P |
