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A plastic operation on the cornea, especially the transplantation of a portion of the cornea.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



an operation involving corneal grafting.

It is performed when there are persistent opacities (leukomas) of the cornea that cause a severe decrease in vision, in order to partially or completely restore vision. Sometimes keratoplasty is resorted to also for cosmetic reasons. In keratoplasty the altered cornea is excised and in its place a disk of similar shape and size is grafted that is taken from the cornea of a person whose eye was removed for other reasons.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Inclusion criteria were lamellae that met the definition of conventional DSAEK. Our interest was focused on conventional DSAEK because it is the most widely used method of endothelial keratoplasty that has also been performed in our eye bank.
Several studies have reported on the outcome from DSAEK procedures in patients with prior glaucoma filtering surgeries [3-7,14-16].
Risk factors for graft failure in DSAEK after failed PKP have also started to become a focus of many researchers.
The 126 consecutive eyes with endothelial failure of 120 patients, who had corneal endothelial decompensation and underwent femtosecond-assisted DSAEK using the VisuMax femtosecond laser system in the Department of Ophthalmology, Peking University 3rd Hospital, were included in the study.
A number of studies have demonstrated a positive correlation between GT and postoperative visual acuity after DSAEK [8-10], whereas others have not provided supporting data for this hypothesis [11-13].
Visual recovery after DSAEK is usually fairly rapid.
Discussion: DSAEK, due to the more rapid rehabilitation, is an alternative to penetrating keratoplasty in the treatment of endothelial diseases despite the steep learning curve and different complications.
As part of this study, the implementation of new endothelial keratoplasty techniques (DMEK and DSAEK) in a large keratoplasty cohort was evaluated.
On the other hand, ultrathin sheets of human corneal endothelial cells have been transplanted with DSAEK devices in animal models.
De Miguel, "Comparison of corneal haze and visual outcome in primary DSAEK versus DSAEK following failed DMEK," Graefe's Archive for Clinical and Experimental Ophthalmology, vol.
Descemet stripped automated endothelial keratoplasty (DSAEK) has become the preferred method of treating endothelial dysfunction, after penetrating keratoplasty (PKP) had long been the gold standard for treatment due to its limitations including delayed visual recovery, unpredictable refractive changes, ocular surface complications, and the risk of losing the eye to suprachoroidal hemorrhage.