Publications by authors named "Tahmaz V"

Currently, due to a rising number of patients Germany and many other countries experience a large deficit of donor eyes for posterior lamellar keratoplasty procedures in the treatment of corneal endothelial diseases. To address this unmet need there is an ongoing investigation of treatment modalities which do not rely on donor tissue or enable clinicians to treat more patient eyes per donor eye. The authors introduce a promising approach for both treatment principles.

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Article Synopsis
  • Fuchs endothelial corneal dystrophy (FECD) is a genetic and age-related disease leading to the loss of corneal endothelial cells, resulting in corneal swelling and vision issues.
  • Advanced FECD often shows a fibrillar layer (FL) on the corneal surface, especially in the inferotemporal quadrant, which can be measured using specialized imaging techniques.
  • Current treatments mainly involve corneal transplantation, particularly DMEK surgery, with new approaches like smaller grafts and advancements in imaging for better assessment and planning of surgeries.
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Purpose: To evaluate the rate of and risk factors for rhegmatogenous retinal detachment (RRD) after Descemet membrane endothelial keratoplasty (DMEK) either alone or in combination with cataract surgery.

Design: Retrospective analysis of prospective database.

Methods: Consecutive eyes with Fuchs endothelial corneal dystrophy that received DMEK surgery with a minimum follow-up of 1 year between July 2011 and January 2021 at the Department of Ophthalmology at the University of Cologne were analyzed.

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Purpose: To describe a novel corneal surgical technique combining Deep Anterior Lamellar Keratoplasty (DALK) with grafting of allogeneic limbus (Limbo-DALK) for the treatment of eyes with corneal stromal pathology and limbal stem cell deficiency (LSCD).

Methods: Clinical records of six Limbo-DALKs performed in five patients diagnosed with LSCD and corneal stromal pathology requiring keratoplasty were retrospectively reviewed. All patients were diagnosed with LSCD due to various pathologies including thermal and chemical burns, congenital aniridia or chronic inflammatory ocular surface disease.

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Desiccating stress (DS) is known to induce dry eye disease but has not been studied in the context of ocular graft-versus-host disease (oGVHD). Patients undergoing allogeneic hematopoietic stem cell transplantation (allo-HSCT) are exposed to DS on transplantation wards, which are highly climate-regulated for hygienic purposes. Because oGVHD demonstrates features of dry eye disease, this retrospective study aimed to analyze DS as a risk factor for chronic oGVHD.

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Purpose: To evaluate a novel hydrophobic, non-diffractive, extended depth of focus (EDOF) intraocular lens (IOL) design in comparison to two monofocal aspheric lenses.

Methods: Inclusion criteria for this prospective, monocentric cohort study were opacification of the crystalline lens and patients' wishes for surgery. In the case of the EDOF IOL, patients asked for a presbyopia correction.

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Purpose: Chronic graft versus host disease is a major consequence after allogeneic stem cell transplantation (allo-SCT) and has great impact on patients' morbidity and mortality. Besides the skin, liver, and intestines, the eyes are most commonly affected, manifesting as severe ocular surface disease. Treatment protocols include topical steroids, cyclosporine, tacrolimus, and ASED.

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This article reports the case of a 56-year-old male patient who had undergone implantation of posterior chamber phakic intraocular lenses in 1987 in Russia. The patient presented to this clinic 31 years after the initial surgery with anterior cortical cataracts and initial stages of corneal decompensation in both eyes. Strategic planning and execution of surgical treatment and the further clinical course are portrayed in this report.

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Background/aims: To analyse patients with chronic ocular graft-versus-host disease (GvHD) under treatment with 100% autologous serum eye drops from a sealed manufacturing system.

Methods: 17 patients with chronic ocular GvHD received 100% autologous serum eye drops from single use vials manufactured in a sealed system. Retrospective analysis included visual acuity, corneal staining, frequency of artificial tears, ocular symptoms by means of a questionnaire and information on subjective side effects and cost compensation.

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Therapy for ocular graft-vs-host disease (ocular GvHD) is challenging for ophthalmologists as progress of the disease often occurs rapidly and is unforeseeable. Primary goal is the preservation or restoration of visual acuity, however, studies on ocular GvHD that have investigated therapeutic concepts are limited. In contrast, most therapeutic recommendations from consensus conferences derive from studies on dry eye diseases other than ocular GvHD.

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