Purpose: To compare the efficacy and safety of the XEN45 Gel Stent surgery between patients with and without severe pseudoexfoliation glaucoma. Methods: In this retrospective, single-center, comparative chart review, records of 24 eyes of 23 patients with pseudoexfoliation glaucoma and 24 eyes of 23 patients with non-pseudoexfoliation glaucoma with severe glaucoma, defined as uncontrolled intraocular pressure on maximally tolerated medical therapy, were reviewed. All patients were treated with XEN45 Gel Stent surgery, in either a standalone procedure (84.8%) or combined with phacoemulsification (15.2%). Mean intraocular pressure, mean number of intraocular pressure-lowering medications, change in best-corrected visual acuity and needling or rescue surgery rates were assessed. Success was defined as at least 20% decrease in baseline intraocular pressure among treatment-free patients. Results: Patient characteristics were similar between the groups. At 6 months, intraocular pressure in the pseudoexfoliation glaucoma group decreased by 32% (24.3 ± 9 mmHg–14.8 ± 7 mmHg, p < 0.001), with comparable decrease in intraocular pressure in the non-pseudoexfoliation glaucoma group (22.6 ± 7 mmHg–16.7 ± 6 mmHg, p = 0.011). Similar rates of patients required topical anti-glaucoma therapy (29% vs 22%, p = 0.559), needling (54% vs 37%, p = 0.247), and rescue trabeculectomy (13% in both, p = 1.00) at the last follow-up. However, intraocular pressure decreased more in the pseudoexfoliation glaucoma group among treatment-free patients (–10.1 ± 8.0 mmHg vs −4.1 ± 8.1 mmHg, p = 0.043), and final intraocular pressure was lower in the pseudoexfoliation glaucoma group (12.2 ± 3.5 mmHg vs 15.8 ± 5.7 mmHg, p = 0.044). Conclusions: The XEN45 Gel Stent implant demonstrated similar efficacy and safety among severe pseudoexfoliation glaucoma and non-pseudoexfoliation glaucoma patients. Greater magnitude of decreased intraocular pressure occurred among treatment-free pseudoexfoliation glaucoma patients.
PURPOSE: To evaluate the optical performance and quality of vision of a novel optical design of a new trifocal intraocular lens (IOL) using a proprietary modified algorithm. METHODS: In this prospective, non-randomized, single-armed, single-center, open-label study, a total of 20 patients (40 eyes) who were candidates for multifocal lens implantation were recruited for implantation with the multifocal Intensity SL IOL (Hanita Lenses). Evaluation performed at 1 and 7 to 10 days and 1 and 3 months after implantation included corrected and uncorrected distance visual acuities at far, intermediate (80 cm), and near (40 cm). Monocular and binocular visual acuities, defocus curves, and contrast sensitivity were measured and questionnaires for grading subjective visual quality, satisfaction, and visual function were provided. RESULTS: Three months postoperatively, monocular uncorrected visual acuity for distance, intermediate, and near averaged 0.03 ± 0.11, 0.09 ± 0.09, and −0.22 ± 0.09 logMAR, respectively (Snellen 20/21.4, 20/24.6, and 20/12). Corrected monocular visual acuity for distance, intermediate, and near averaged −0.07 ± 0.06, 0.03 ± 0.09, and −0.25 ± 0.07 logMAR (20/17, 20/21.4, and 20/11.2), respectively. Binocular corrected visual acuity for distance, intermediate, and near was −0.1 ± 0.06, −0.02 ± 0.09, and −0.28 ± 0.04 logMAR (20/15.8, 20/19, and 20/10.5), respectively. Contrast sensitivity was similar to the normal population in photopic and mesopic conditions. Defocus curves showed that this IOL provided visual acuity of 20/28.9 or better between a defocus of +1.00 and −3.50 diopters. The Visual Function Index-14 questionnaire showed that patients reported high satisfaction. Patients specifically noted good quality of vision at near and intermediate distances. CONCLUSIONS: The Intensity SL IOL can provide good quality distance, intermediate, and particularly strong near vision after cataract surgery and independence from spectacles with good patient satisfaction. [ J Refract Surg . 2022;38(3):150–157.]
PurposeTo report a unique case of pseudo-duplication of the optic disc with maculo-schisis.ObservationsA 9-year-old girl presented with decreased vision in the left eye. Her measured visual acuity was 20/50. Dilated fundus examination revealed an optic disc-like lesion with a large crater-like depression, pale color and aberrant retinal vasculature arising from its lower region. Optical coherence tomography (OCT) demonstrated maculo-schisis emerging from the optic disc complex and involving the foveal region. Further pathological findings of cellophane maculopathy with retinal striae was observed at the papillo-macular bundle. On MRI scan there were neither signs of doubling of the optic nerve nor any other optic nerve malformations. The patient underwent 25 Gauge Pars Plana vitrectomy (PPV) with posterior hyaloid peel, ILM peel and gas tamponade with SF6. Eight month post-operatively, a significant reduction in intra-retinal fluids and an improvement in the maculo-schisis magnitude were seen.Conclusions and ImportanceTo the best of our knowledge, this is the first reported case of a pseudo-duplication of the optic disc with maculo-schisis treated with PPV.
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