Background: To evaluate the effect of Ozurdex® on intraocular pressure in patients with macular edema alone (group 1) or associated with glaucoma or ocular hypertension (group 2). Methods: A clinical, retrospective, observational, comparative study included 92 eyes with macular edema treated with a single injection of Ozurdex®; 27 eyes were previously diagnosed with glaucoma or ocular hypertension. Results: The mean intraocular pressure (group 1 vs. group 2) after injection was 12.1 versus 19.9 mm Hg, (p < 0.05; day 1); 17.5 versus 19.7 mm Hg (p < 0.05; month 1); 18.4 versus 20.9 mm Hg (p < 0.05; month 2); 15 versus 17.4 mm Hg (p < 0.05; month 3); 13.9 versus 16.7 mm Hg (p > 0.05; month 6); 13.8 versus 15.1 mm Hg (p > 0.05; month 9) and 13.1 versus 16.4 mm Hg (p > 0.05; month 12). Thirty eyes (32.6%) showed ocular hypertension (intraocular pressure >21 mm Hg) after the injection: 21.5% of group 1 and 59.3% of group 2. In group 2, 27 eyes (100%) needed medical treatment to reduce intraocular pressure in comparison to 8 patients (12.3%) in group 1 (p < 0.001). Conclusions: Intravitreal injection ofOzurdex® was associated with ocular hypertension in 32.6% of the eyes. Previous glaucoma or ocular hypertension are risk factors for this increase.

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PURPOSE: To assess the efficacy and safety of combined phacoemulsification and excimer laser trabeculostomy (ELT) in eyes with cataract and mild controlled glaucoma or ocular hypertension. METHODS: Single-centre analysis of eyes that underwent phacoemulsification and ELT between 2017 and 2021. Change in intraocular pressure (IOP), glaucoma medication requirements, corrected distance visual acuity (CDVA), complications and re-interventions were evaluated. Success was defined as a reduction ≥20% from preoperative IOP, an IOP ≤14 mmHg or a reduction in glaucoma medication requirements with an IOP equal or lower than the preoperative IOP.RESULTS: Mean follow-up was 658 ± 64 days. Mean preoperative IOP was 17.76 ± 4.88 mmHg, it decreased to 15.35 ± 3.10 mmHg at 1 year (n=37) (p = 0.006) and to 14.00 ± 3.78 at 3 years (n=8) (p = 0.074). Mean number of glaucoma medication requirements decreased from 2.02 ± 1.0 preoperatively to 1.02 ± 0.96 at 1 year (n=37) (p < 0.001) and to 1.63 ± 0.92 at 3 years (n=8) (p = 0.197). Complete success was achieved in 17.7% of eyes and qualified success in 54.8%. Two eyes of 2 patients had early postoperative hyphema. Two eyes of 1 patient underwent filtering surgery 2 months after the procedure, and 2 eyes of 1 patient underwent laser trabeculoplasty 3.8 years after the procedure due to uncontrolled IOP. CONCLUSIONS: Combined phacoemulsification and ELT is effective and safe in eyes with mild glaucoma or ocular hypertension and cataract. It significantly reduced IOP and glaucoma medication requirements 1 year after surgery.