A.D.A.M. Medical Encyclopedia
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Corneal transplant

Definition

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The cornea is the clear surface on the front of the eye. A corneal transplant is surgery to replace the cornea with tissue from a donor. It is one of the most common transplants done.

Alternative Names

Keratoplasty; Penetrating keratoplasty

Description

You will probably be awake during the transplant. Local anesthesia (numbing medicine) will be injected into your eye to block pain. You may receive a sedative to help you relax.

The tissue for your corneal transplant will come from a person who has died recently who agreed to donate their tissue.

The most common type of corneal transplant is called "penetrating keratoplasty." During this procedure, your surgeon will remove a small round piece of your cornea. Then your surgeon will sew the donated cornea onto the opening of your eye. Your doctor will remove the stitches at a follow-up visit.

Risks

Sometimes, the body rejects the transplanted tissue. This occurs in a small number of patients.

Other risks for a corneal transplant are:

  • Bleeding
  • Infection of the eye
  • Glaucoma (high pressure in the eye that can cause vision loss)
  • Swelling of the front of the eye

The risks for any anesthesia are:

Review Date: 2/17/2009
Reviewed By: Paul B. Griggs, MD, Department of Ophthalmology, Virginia Mason Medical Center, Seattle , WA . Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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