Descemet's membrane


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Descemet's membrane

n. Descemet, membrana de; lámina elástica posterior de la córnea.
References in periodicals archive ?
With the development of Descemet's membrane endothelial keratoplasty, an excellent clinical outcome is seen in the treatment of corneal endothelial dysfunctions, which indicates that thinner corneal graft results in better clinical outcome.
There are several techniques used by surgeons, some of which remove Descemet's membrane and others that leave a small proportion of posterior stromal tissue.
The 5 layers (from the outermost to the innermost) of the cornea are: (1) the epithelium (epithelium corneae externum), (2) Bowman's membrane (lamina limitans superficialis), (3) stroma (substantia propria corneae), (4) Descemet's membrane (lamina limitans posterior), and (5) endothelium (epithelium corneae internum).
Big Bubble technique-Refers to injection of air deep into the stroma generating a big air bubble between stroma & the Descemefs membrane, thus causing a large detachment of Descemet's Membrane without using a surgical instrument.
Anterior segment surgical advances including PDEK, Ultrathin DSAEK, Descemet's membrane endothelial keratoplasty (DMEK), Descemet's stripping endothelial keratoplasty (DSEK), and Trocar anterior chamber maintainer (T-ACM)
compared outcomes of patients who underwent deep anterior lamellar keratoplasty with those of patients for whom the same procedure was converted to penetrating keratoplasty due to intraoperative macroperforation of Descemet's membrane.
The corneal sutures were placed deeply in stroma down to Descemet's membrane without perforating the cornea completely, as endothelium is exquisitely sensitive to trauma.
Descemet's membrane beneath t h e stroma consists of athin layer of transparent tissue--collagen fibers differing f r om those in the stroma--covering the inner surface of the cornea.
The cornea consists of the epithelium, which are the cells in the outermost layer; the stroma, which is comprised of connective tissue cells; the endothelium, a single layer of cells whose primary function is to maintain the cornea in a dehydrated state to help achieve optical clarity; and the Descemet's membrane, a thin, strong tissue that protects against infection and injury.
Descemet's stripping endothelial keratoplasty (DSEK) and Descemet's membrane endothelial keratoplasty (DMEK) have been shown to have superior outcomes compared to penetrating keratoplasty in terms of postoperative astigmatism and visual function [5, 6].
The new layer is located at the back of the cornea between the corneal stroma and Descemet's membrane.
The study shows that the new layer, is located at the back of the cornea between the corneal stroma and Descemet's membrane, makes an important contribution to the sieve-like trabecular meshwork in the cornea.