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Double-Cannula Maneuver for the Double-Roll Configuration of Donor Descemet Membrane Outside Recipient Anterior Chamber During Descemet Membrane Endothelial Keratoplasty.
Cornea
November 2024
Department of Ophthalmology, College of Medicine, Catholic University of Korea, Seoul, Republic of Korea ; and.
Article Synopsis
- The study aims to introduce a new surgical method that transforms a single roll of Descemet membrane (DM) into a double roll using two cannulas during endothelial keratoplasty.
- The technique involves placing a stained DM roll in a balanced salt solution, using the cannulas to separate the roll, and then loading it into a modified Jones tube for insertion into the patient's eye.
- Results show successful outcomes three months post-surgery, with improved visual acuity, healthy endothelial cell count, and clear cornea, demonstrating the technique's effectiveness in reducing complications related to DM orientation.
Three-Dimensional Map of Descemet Membrane Endothelial Keratoplasty Detachment: Development and Application of a Deep Learning Model.
Ophthalmol Sci
December 2021
Eye Center, Albert-Ludwigs-University of Freiburg, Freiburg, Germany.
Purpose: To develop and apply a neural network for quantification of endothelial corneal graft detachment using anterior segment (AS) OCT.
Design: Training and validation of a neural network and application within a prospective cohort.
Participants: Patients two weeks after Descemet membrane endothelial keratoplasty.
Descemet Membrane Endothelial Keratoplasty-Induced Refractive Shift and Descemet Membrane Endothelial Keratoplasty-Induced Intraocular Lens Calculation Error.
Cornea
August 2023
Department of Anterior Segment and Refractive Surgery, Adolphe de Rothschild Foundation Hospital, Paris, France.
Purpose: The aim of this study was to determine the mechanisms leading to the refractive shift and intraocular lens calculation error induced by Descemet membrane endothelial keratoplasty (DMEK), using ocular biometry and corneal elevation tomography data.
Methods: This is a retrospective, monocentric cohort study. Eyes which underwent uncomplicated DMEK surgery with available pre-DMEK and post-DMEK Scheimpflug rotating camera data (Pentacam, Oculus, Wetzlar, Germany) were considered for inclusion with an age-matched control group of healthy corneas.
"The Spinning Technique" for Unfolding Tightly Scrolled DMEK Grafts.
Cornea
January 2022
Sussex Eye Hospital NHS Foundation Trust, Brighton, United Kingdom.
Purpose: We present a no-touch Descemet membrane endothelial keratoplasty (DMEK) technique which assists in unfolding of tightly scrolled grafts from young donors.
Methods: The technique was developed following a wet-laboratory experiment using human corneas created to observe the behavior of the graft during spinning within the artificial anterior chamber. This approach involves injecting short bursts of balanced salt solution to make the scroll spin continuously in a 360-degree manner.
A Novel Technique for Donor Insertion and Unfolding in Descemet Membrane Endothelial Keratoplasty.
Cornea
August 2021
Cornea Clinic, Apollo Hospitals, Hyderabad, India.
Purpose: To describe a novel technique for insertion and unfolding of donor Descemet membrane (DM) scroll during DM endothelial keratoplasty (DMEK).
Methods: DMEK was performed in 20 eyes. The donor DM scroll was loaded into a glass injector, and the fluid column was manipulated to achieve a double scroll configuration.
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