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…
Fig. 8.1 Corneal vascularisation with graft failure secondary to graft rejection. Vascularisation of the recipient corneal bed is the most significant single risk factor for graft failure on multivariate analysis…
Vascularization of the recipient stroma Anterior synechiae Previous graft failure due to immunological rejection Previous or ongoing anterior segment inflammation Uncontrolled glaucoma or glaucoma surgery Herpes simplex keratitis Ocular surface…
Fig. 13.1 In this eye with epithelial edema due to Fuchs endothelial dystrophy (a), irregularity of the corneal surface impeded analysis of the anterior curvature using Placido disk-based topography (b)….
Platform Company Docking system Repetition rate Approximate energy pulse IntraLase iFS Abbott Medical Optics, USA Flat applanation 60–150 kHz 1000 nj LDV Z6 Ziemer, Switzerland Flat applanation 5 MHz <…
Manufacturer Material Power range (D) IOL Artisan® Ophtec, the Netherlands PMMA Sph. −23.0 to (+7.5) Cyl. ±1 to (±7.5) ICL™ Staar Surgical, USA Collamer Sph. −3.0 to (−23.0) Cyl….
Fig. 5.1 Classification of anterior lamellar keratoplasty Superficial Anterior Lamellar Keratoplasty Automated Lamellar Therapeutic Keratoplasty (ALTK) Purpose and Indication The purpose of the automated lamellar therapeutic keratoplasty (ALTK) is visual…
Fig. 3.1 Human corneal endothelium. (a) Regular pattern of the corneal endothelium without any trypan blue-positive cells and (b) completely damaged corneal endothelium with large area of trypan blue-positive cells…
