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Chapter-11 Suturing Techniques in Penetrating Keratoplasty

BOOK TITLE: Corneal Transplantation

Author
1. Cosar C Banu
2. Laibson Peter R
ISBN
9788184488593
DOI
10.5005/jp/books/11167_11
Edition
2/e
Publishing Year
2010
Pages
5
Author Affiliations
1. Sinpas Aqua City 1. Etap, H Block D:13A. Dudullu 80260, Istanbul, Turkey, Acibaden University, Ophthalmology Clinic, Istanbul, Turkey, Sinpas Aqua City 1. Etap, H Block D:13 A. Dudullu 80260, Istanbul, Turkey, Associate Professor of Ophthalmology, Sinpas Aqua City 1. Etap, H Block D:13A. Dudullu 80260, Istanbul, Turkey, Sinpas Aqua City 1. Etap, H Block D:13, Cekmekoy 34773, Istanbul, Turkey, Sinpas Aqua City 1 Etap, H Block D:13A Dudullu, Istanbul, Turkey, Acibadem University, Buyukdere Cad. No.: 40, 34457 Maslak Istanbul Turkey, Sinpas Aqua City 1. Etap H Block D:13, Cekmekoy 34773 Istanbul, Turkey
2. Thomas Jefferson University, School of Medicine; Cornea Department Wills Eye Institute, Philadelphia, Pennsylvania, Attending Surgeon, Wills Eye Hospital; 840 Walnut Street, Suite 920, Philadelphia, PA 19107, USA
Chapter keywords

Abstract

Obtaining a clear graft in penetrating keratoplasty has become almost expected. For most eyes undergoing penetrating keratoplasty, the success rate for a clear graft exceeds 90 percent. There are many factors contributing to astigmatism after penetrating keratoplasty, including pre-existing corneal thinning and vascularization, eccentric trephination of the donor or host, oversized grafts, pre-existing keratoconus, quality of wound healing, and astigmatism of donor eye. Tension, length, depth and configuration of corneal sutures have also been implicated as causative factors. All suturing techniques have been used successfully to secure the wound and create a relatively smooth corneal contour. Suture adjustment can be performed intraoperatively and postoperatively. Sutures should be left in place once the suture has been adjusted to achieve suitable topography.

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