The KeraKlear Artificial Cornea
Incision size (mm) Number of sutures Donor cornea needed Single- or two-stage surgery KeraKleara 3.5 mm diameter 0–4 No Single Boston KPro 8.0 mm diameter 16–24 Yes Single AlphaCor…
AlphaCor: Indications, Contraindications, Techniques and Outcomes
Fig. 24.1 Photomicrographs of well-biointegrated AlphaCor explanted due to penetrating injury. Top left: overview. Top right and bottom: left side of the section, showing the cellular elements within the peripheral…
Boston KPro Type I: Vitreoretinal Considerations
Fig. 14.1 (a) Posterior segment photograph of peripheral retinal vessels (b) Ocular coherence tomography (OCT) of retinal layers 14.3 Posterior Segment Surgery Posterior segment surgery is relatively more difficult and…
Indications and Contraindications of Boston KPRO Types I and II
Fig. 7.1 Boston Keratoprosthesis prognostic categories as described by Yaghouti et al. [10]. A Kaplan-Meier analysis for survival of ambulatory vision (visual acuity between 20/20 and 20/200) was performed for…
Management of Glaucoma Associated with Boston KPro Type I Implantation
Fig. 12.1 Anterior-segment optical coherence tomography image of the anterior chamber angle in a patient before (a) and after (b) Boston Type I Keratoprosthesis surgery. Progressive synechial angle closure was…
Boston KPro Type 1: The Role of the Contact Lens
Fig. 13.1 Kontur© methafilcon A hydrogel bandage lens over KPro Type I Base curve 6.8–9.8 mm Diameter 12.0–24.0 mm Sphere power +10.00 to −20.00 D Toric power −0.75 to −5.00…
The History of Keratoplasty: A Brief Overview
Fig. 1.1 Erasmus Darwin (1731–1802) (Image courtesy of Mannis and Mannis [1]) Fig. 1.2 Guillaume Pellier de Quengsy (left) (1751–1835) and his instrumentation (right) for prosthokeratoplasty (Image courtesy of Mannis…
Korea Seoul-Type KPro: Indications, Contraindications, and Surgical Techniques
Fig. 22.1 Photograph of Seoul-type keratoprosthesis (a, b) Seoul KPro whose skirt is made of polyurethane. (a) Front view. (b) Rear view. (c, d) Seoul KPro whose skirt is made…
Anterior Segment Considerations in Boston Type I Keratoprosthesis
Fig. 4.1 Anterior segment OCT images. (a) Preoperative exam of a phakic eye [anterior chamber depth (ACD) = 2.71 mm; angle opening = 20°] with leukoma and corneal thickening. (b) Postoperative OCT of an…
Overview of Relevant Clinical Disorders and Their Relation to Keratoprosthesis
Fig. 5.1 A 29-year-old with Stevens-Johnson’s syndrome from phenobarbital with 20/800 preoperative vision which improved to 20/30–2 5 months postoperatively Fig. 5.2 A 30-year-old with bilateral Stevens-Johnson’s syndrome with hand…
