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Related to lamellar keratoplasty: Penetrating keratoplasty


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 It might be outdated or ideologically biased.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 ?
Comparison of posterior lamellar keratoplasty techniques to penetrating keratoplasty.
McGhee, "Incidence, severity and outcomes of traumatic wound dehiscence following penetrating and deep anterior lamellar keratoplasty," British Journal of Ophthalmology, vol.
Two rabbits were used as omentum donors, while the other underwent lamellar keratoplasty combined with transplantation of either free omental graft (OM-graft group) or omental mesenchymal cells (OM-cell group).
After a review of the general anatomy of the cornea and a historical perspective, sections cover anterior and posterior surgical techniques for lamellar keratoplasty, transitions from optical to tectonic and therapeutic lamellar keratoplasty, lamellar keratoplasty for infants and children, lamellar keratoplasty techniques that may help patients with refractive surgery-related complications, the amniotic membrane in lamellar keratoplasty, and lamellar keratoplasty in artificial cornea.
Dr Zaman said that they had carried out new transplant procedures including 'deep anterior lamellar keratoplasty', 'pre-descemet's deep anterior lamellar keratoplasty' and 'descemet membrane endothelial keratoplasty'.
In the last decade, several studies showed that deep anterior lamellar keratoplasty (DALK) should be preferred to PK in patients with corneal pathology and healthy endothelium [16-21] because DALK leads to comparable visual outcomes and lower rates of intraoperative and postoperative complications.
[4] Deep anterior lamellar keratoplasty (DALK) has been used as an alternative to PK in the last few years in cases with intact endothelium, such as stromal scar, stromal dystrophies, and keratoconus.
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.
b) Urgent deep anterior lamellar keratoplasty (DALK)
According to this experiment, the XACS used in rabbits for lamellar keratoplasty can maintain transparency for approximately 4 weeks, recipient cells can grow into XACS and regenerated nerve fiber can also grow into these matrices.
Posterior lamellar keratoplasty for treatment of deep stromal absesses in nine horses.