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corneal graft
(redirected from keratoplasty)

   Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia 0.01 sec.

corneal graft

In medicine, the replacement of a damaged or diseased cornea by a cornea from a human donor. Indications for corneal grafting include severe corneal scarring as a result of herpes virus infections, alkali burns, or eye injuries. Rejection of the corneal graft may occur due to stimulation of the immune system of the recipient by foreign proteins of the donor. Rejection results in oedema (fluid accumulation) and poor vision.



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After a review of the general anatomy of the cornea and a historical perspective, sections cover anterior and posterior surgical techniques for lamellar keratoplasty, transitions from optical to tectonic and therapeutic lamellar keratoplasty, lamellar keratoplasty for infants and children, lamellar keratoplasty techniques that may help patients with refractive surgery-related complications, the amniotic membrane in lamellar keratoplasty, and lamellar keratoplasty in artificial cornea.
The thermal keratoplasty procedure involves putting a ring of 8 or 16 small burns on the eye immediately surrounding the pupil.
Keratoplasty is the surgical procedure whereby a healthy cornea, usually from a deceased, human donor, is used to replace a damaged one.
 
 
 
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