Keratoplasty is the procedure performed where the abnormal corneal tissue is replaced by the healthy donor cornea. It has been done for past several years & has been the most common & successful of the transplant procedures.
Corneal transplants are performed under local anesthesia. The doctors will perform the surgery by looking at the eye through a microscope. A cookie cutter-like knife known as trephine is used to cut & remove a circular piece from recipient’s scarred cornea. A same knife is used to cut & remove a piece from donor cornea. The donor cornea is then placed where the recipient’s cornea was been removed. It is then sewn in the place with the help of very thin sutures and the diameter is smaller when compared with a human hair. In some situations, your doctor may be transplant only a part of corneal thickness. When only front part is been transplanted, then it is known as anterior lamellar keratoplasty. When only back part is been transplanted, it is termed as endothelial keratoplasty. Some difference in these endothelial keratoplasty which includes DLEK (deep lamellar endothelial keratoplasty) & DSEK (Descemet’s stripping endothelial keratoplasty). These procedures won’t require sutures.
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