© Springer-Verlag Berlin Heidelberg 2015M. Soledad Cortina and Jose de la Cruz (eds.)Keratoprostheses and Artificial Corneas10.1007/978-3-642-55179-6_9 9. Boston Keratoprosthesis Type I: Surgical Techniques Lauren R. Schneider1 and Sadeer B. Hannush2, 3 (1) Department of Ophthalmology, Cornea Service, Illinois Eye…
Fig. 3.1 Histological section of the cornea showing the five layers. Epi epithelium, BM Bowman’s membrane, Str stroma, DM Descemet’s membrane, Endo endothelium 3.3.1 Epithelium Embryologically, the corneal epithelium is…
Fig. 9.1 Donor keratocytes as a proportion of total keratocytes counted in each of 52 corneal grafts, plotted against graft age. Subset of eight transparent grafts removed due to reasons…
Early postoperatively with sutures in place: Symmetry of suture positions Homogeneity of suture tension Late postoperatively persisting without sutures: Cut quality Wound configuration (horizontal/vertical) Symmetry of graft placement The low…
Fig. 16.1 Failure of autologous limbal transplantation with recurrence of corneal conjunctivalization (a). Contralateral donor eye with signs of a large previous limbal harvesting for limbal transplantation (white arrows) and…
Fig. 10.1 An example of national registry data from the Australian Corneal Graft Registry (http://hdl.handle.net/2328/25860). Long-term survival of penetrating keratoplasty, lamellar keratoplasty and limbal allografts (Reproduced with permission of the…
Fig. 14.1 Automated lamellar microkeratome 300 μm cut in a patient with granular dystrophy A more recent modified technique of microkeratome-assisted LK consists of removing the anterior lamella from the…
Indications Contraindications Consideration Fuchs’ dystrophy Significant irreversible central corneal scarring Large iris defects Bullous keratopathy (aphakic or pseudophakic) Keratoconus Aniridia Posterior polymorphous dystrophy Hypotony Glaucoma tubes Iridocorneal endothelial (ICE) syndrome …
Fig. 2.1 Light (a) and transmission electron (b–h) micrographs of anatomical corneal layers. (a) Semithin cross section of the cornea showing three cellular layers, i.e., epithelium, stroma with keratocytes, and…
Cost consequences analysis Cost-minimization analysis Cost-effectiveness analysis Cost-utility analysis Cost-benefits analysis Cost $ $ $ $ $ Outcomes Many outcomes can be considered Many outcomes can be considered All…
