Advances in Corneal Transplantation

Abstract
Disease of the cornea is the most common cause of blindness in the world.1 The cornea is the normally transparent anterior structure of the eye that functions similarly to the lens of a camera and has the appearance of a watch crystal. The normal cornea is a layered, avascular structure in which an outer epithelium and an inner endothelium surround the central stroma. The stroma imparts its optical properties to the cornea and is composed of a compact geometric arrangement of collagen fibers. Several million visually handicapped people worldwide might be expected to benefit from surgical replacement of their diseased . . .

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