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.
Females were more affected than males and the mean age at the time of diagnosis was older than that reported previously, however the clinical, histopathological and ultrastructural features were similar to those of previous reports. As described in other cases in the literature, in some instances a disorder is found in CHST6 gene as a basis for this condition.
BackgroundWe aim to describe the short-term effect of femtosecond laser-assisted cataract surgery (FLACS) in intraocular pressure (IOP), visual acuity (VA), number of hypotensive medications, and visual fields (VF) in glaucomatous eyes.MethodsSingle-center consecutive case series study included patients with a previous glaucoma diagnosis that needed cataract surgery alone or combined with incisional glaucoma procedure. IOP was measured during surgery immediately before and after pretreatment docking with an indentation tonometer. Changes in visual acuity (VA), IOP, number of medications, and VF were evaluated with a 90 day follow up.ResultsTwenty-seven eyes of 27 patients were included. Mean patient age was 70 years, 70% (n = 19) were female. Glaucoma diagnoses were: twelve patients with primary open-angle glaucoma, 13 with angle-closure glaucoma, and 2 with pseudoexfoliation glaucoma. Twenty-one patients underwent cataract surgery alone and 6 combined with an incisional glaucoma procedure (trabeculectomy or glaucoma drainage device implantation). We found no significant differences between pre-docking IOP (17.59 mmHg ± 6.25 SD) and post-docking IOP (17.23 mmHg ± 7.74 SD) p = 0.7. No surgical complications were recorded. The 90-day postoperative follow up revealed no changes from baseline regarding VF mean deviation, mean IOP, and the number of glaucoma medications decreased in both groups.ConclusionFLACS appears to perform well in the short-term in eyes with glaucoma undergoing cataract surgery alone or with an incisional glaucoma procedure. Comparable outcomes to manual phacoemulsification were obtained regarding IOP, VA, and postoperative period evolution.Clinical SignificanceSafety and efficacy of FLACS have not been properly studied in the glaucoma population, we present a case series with different glaucoma diagnoses who underwent FLACS alone or with an incisional glaucoma procedure.
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