If your cornea no longer allows light enter your eye properly because of scarring or disease, you may need a transplant. Your doctor will call it a keratoplasty. During the procedure, an eye surgeon removes a part of your cornea and substitutes it with a new section from a donor. Corneal tissue covers the front of each eye. Light passes through it to enter your eye, then goes through your pupil, and then through the lens. The cornea gets affected because of scars from trauma or infection and also because of keratoconus – in which cornea gets thinner and loses its shape.
TYPES OF CORNEA TRANSPLANTS-
FULL THICKNESS CORNEA TRANSPLANT- The doctor transfers all the layers from the dinner.
LAMELLAR CORNEA TRANSPLANT- The surgeon transplants the selected layers.
DESCEMET'S STRIPPING AUTOMATED ENDOTHELIAL KERATOPLASTY- The doctor removes your Descemet's membrane and endothelium. He replaces it with the donor's endothelium and stroma -the thickest layer of the cornea.
The cornea tends to heal slowly and to keep it safe after the surgery, the doctor may ask you to wear a protective shield over your eye. You will need to use eye-drops for at least several months after the transplant. The stitches may last in your eye for months or years and your vision may improve slowly after the surgery. Keep your eye safe from trauma, like sports, that can damage your new cornea. If you notice any irritation or new blurred vision that last for more than 6 hours, call the eye doctor right away. He can give you medicine to treat the rejection.
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