| keratoplasty | A surgical procedure to replace a damaged cornea with a healthy one from a donor's eye. Unlike transplantation of most other organs, the cornea tends to have a problem with transplant rejection. Corneal transplants are indicated in cases of severe corneal injury or corneal infection (corneal ulcer) which has left the cornea scarred. (27 Sep 1997) |
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| keratoplasty, penetrating | Partial or total replacement of all layers of a central portion of the cornea. (12 Dec 1998) |
| lamellar keratoplasty | Keratoplasty in which only the anterior layer of the cornea is used (not a tectonic keratoplasty). Synonym: lamellar keratoplasty, layered keratoplasty. (05 Mar 2000) |