Incisional Surgery for Natural and Surgically-Induced Astigmatism Roger F. Steinert Regular and irregular astigmatism cause impairment of uncorrected visual acuity and, in moderate to large amounts, loss of best corrected…
Radial Keratotomy Cláudia M. Francesconi Radial keratotomy (RK) is one of several surgical procedures for flattening to central corneal used, thus correcting myopia by decreasing the refractive power of the…
Preoperative Considerations: Corneal Topography Douglas D. Koch Li Wang Detailed examination of corneal curvature is an essential part of the workup before refractive surgery. Computerized videokeratography (CVK) plays several critical…
The Biology of Corneal Refractive Surgery Steven E. Wilson Marcelo Netto Renato Ambrósio Jr. The results of corneal refractive surgical procedures are influenced by the biologic responses to the surgical…
Preoperative Considerations: Patient Selection and Evaluation Sandeep Jain Margaret Chang Preoperative evaluation for refractive surgery follows a structured sequence that includes patient interview followed by a complete ophthalmologic examination (Table…
Keratoprosthesis Surgery Claes H. Dohlman Mahnaz Nouri Why should we attempt to develop keratoprostheses (KPro) for corneal opacity when standard corneal transplantation is so well established and relatively safe? If…
Posterior Lamellar Endothelial Keratoplasty Nicoletta Fynn-Thompson Dimitri T. Azar Posterior lamellar endothelial keratoplasty refers to the removal of the diseased posterior corneal layers and their replacement by partial-thickness donor tissue….
Phototherapeutic Keratectomy Lee A. Snyder Aaleya F. Koreishi Christopher Starr Walter J. Stark The advent of the 193-nm argon-fluoride (ArF) excimer laser has provided corneal surgeons with a major therapeutic…
Penetrating Keratoplasty Michele Mabon Helene Boisjoly Penetrating keratoplasty (PK) is the surgical removal of diseased cornea with replacement by full-thickness corneal donor tissue. The procedure is performed for either optical…
Intrastromal Implants for Keratoconus Joseph Colin Keratoconus is a noninflammatory, progressive, ectatic, and thinning disease of the cornea that has been studied extensively, but the underlying mechanisms of stromal thinning…
