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Chapter-116 Femtosecond Laser Enabled Correction of Postkeratoplasty Astigmatism

BOOK TITLE: Copeland and Afshari's Principles and Practice of Cornea (2 Volumes)

Author
1. Rootman David S
2. Kumar Nikhil L
ISBN
9789350901724
DOI
10.5005/jp/books/11777_116
Edition
1/e
Publishing Year
2013
Pages
10
Author Affiliations
1. University of Toronto, Toronto Western Hospital, Toronto, Ontario, Canada, Toronto Western Hospital, Toronto, Ontario, Canada
2. Australian School of Advanced Medicine, Macquarie University, NSW, Sydney, Australia
Chapter keywords
Placido disk topographer, IntraLase system, keratorefractive surgery, irregular corneal topography, femtosecond laser technology

Abstract

Femtosecond enabled astigmatic keratotomy (FEAK) postkeratoplasty refers to a procedure where incisions on the steep axis, within the corneal stroma and inside the graft-host interface are given. The principle of the technique is described in detail. Patient selection and preoperative assessment of the procedure is discussed. Detailed surgical technique is explained. Results of various clinical studies are complied. Studies comparing FEAK and manual astigmatic keratotomy are described. Various complications of FEAK include overcorrection requiring resuturing, infective keratitis, graft rejection, and graft perforation. Clinical studies supporting these are also given. Literature is supported with the representative figures where ever required.

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