The cornea is the window of the eye, the clear part in the front that allows light to pass through and focuses it on the retina to produce a clear image. It is the curvature of the cornea that bends the light rays and focuses it precisely on the retina to give us clear vision. Disease and trauma can alter the structure of the cornea, changing its shape, thickness or clarity and causing loss of vision. In some cases, the best way to correct this is with a corneal transplant.
Corneal transplant surgery involves removing a circle of tissue about 8mm in diameter from the patient’s cornea and replacing it with donor corneal tissue. The new cornea is held in place with ultra thin nylon sutures that are barely visible. 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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