The cornea is the clear window in the front of the eye. As light passes through the cornea, it is bent, allowing the image to come into focus on the retina. This is one of the steps necessary for clear vision. Disease and trauma can alter the structure of the cornea, changing its shape, thickness or clarity and causing loss of vision. Depending on which issues are affecting the cornea, medical care may improve the vision. In some cases, the best way to correct the vision is with a corneal transplant.
Pentrating Keratopalsty is a full thickness corneal transplant. This surgery involves removing the central portion of the diseased cornea and replacing it with the healthy cornea of a donor. The new cornea is held in place with ultra thin nylon sutures. While the sutures are not painful, it is normal for the eye to feel scratchy or irritated for a few days following surgery. Vision is usually blurry immediately following surgery and will begin to clear after several weeks.
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