Most corneal transplant operations are done under local anesthesia on an outpatient basis. This means that the patient is awake but an injection is given to make the eye completely numb. There is no pain.
The corneal tissue for transplantation is taken from a donor shortly after death with the permission of the nest if kin. Though most transplant procedures carry the risk of rejection of the transplant tissue or organ, the very limited blood supply of the cornea greatly reduces this risk. Most corneal transplants function extremely well for many years.
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