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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 It might be outdated or ideologically biased.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 ?
In some situations, hydrogen sulphide can convert cysteine into cystine (keratoplastic effect).
It is a topical non-systemic anti-inflammatory with anti-lipoperoxidant and keratoplastic activity at the epidermal level.
As well, sulfur is thought to exert beneficial anti-inflammatory, keratoplastic and antipruriginous effects on skin (14).