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Purpose: To assess the short and long-term changes in Visual Field (VF) Mean Deviation (MD), Visual Field Index (VFI), and intraocular pressure (IOP) after femtosecond laser-assisted cataract surgery (FLACS) in glaucomatous eyes. Materials and methods: Interventional, prospective case series. Patients with glaucoma, who required cataract surgery were included. All patients underwent a complete ophthalmologic assessment and Visual Fields. FLACS was performed in all patients by a single experienced surgeon. IOP was measured during surgery immediately before and after pretreatment suction docking. Changes from baseline in VF MD and VFI, IOP, visual acuity (VA), and number of glaucoma medications were evaluated up to one-year follow-up. Results: Fourteen eyes of 11 patients were included. Eighty-five percent were female, with a mean age of 74.2 ± 7.9 years. Nine (64.3%) and 5 (35.7%) were diagnosed with primary angle closure glaucoma (PACG) and primary open angle glaucoma (POAG), respectively. We found a slight IOP reduction after the docking phase during FLACS in both glaucoma subtype groups. No significant changes in visual field mean deviation (MD) and visual field index (VFI) were found from baseline to 12 months after surgery in both groups. A significant reduction in IOP values was found in all cases from baseline up to one year follow up. No significant changes were observed in BCVA and number of topical glaucoma medications after one year in both groups. Conclusion: In our patients, there was an IOP reduction immediately after suction docking FLACS pretreatment. Mean IOP at final follow-up showed a reduction from baseline. There was no change in VF MD and VFI from baseline to final one-year follow-up. FLACS appears to be well tolerated in early and moderate glaucoma and appears to be a safe tool for glaucoma patients undergoing cataract surgery. Similar results to traditional surgery can be obtained with the advantages of femtosecond laser precision.