Replacement of a clouded cornea is the only means of restoring full vision. If the rest of the eye (including the retina and optic nerve) is normal , the cornea is replaceable through transplant surgeries. The success rate of the advances in research and surgical techniques. Corneal transplantation is one of the most successful organ transplant surgeries. The success of the procedure depends on the amount and type of damage the eye has sustained from disease or injury. The success rate can be as high as ninety-five percent. However, it is important to remember that vision can be restored only to the extent that the other parts of the eye are normal.
Only the central portion of the cornea is involved in transplantation .The surgeon excises an appropriate circular disc of the patient’s cornea and replaces it with a similarly sized disc of donor cornea, which is then sutured into place.
Corneas for transplant come from individuals who have donated their eyes for use after their death ,for the benefit of others. Donor corneal tissue can be used up to maximum of 4 days after the death of the donor depending on the modality of preservation. This includes screening for AIDS .Since Clear Vision Eye Centre is a recognised eye bank, we are able to network with other eye banks. This enables us to obtain quality tissue for our patients with minimum waiting period.
With a few exception, donor tissue up to age seventy years is usable. Factors such as sex, color of the iris, previous vision of the donor have no influence on the final outcome of the surgery. anyone wishing to be an eye donor should call the nearest Eye bank and pledge the same.
Risks in Corneal Transplant Surgery
As with any eye surgery, there is the possibility of loss of sight in the eye, loss of the entire eye or possible loss of life due to abnormal reactions to anesthesia. The risks are very small, but it is very important that you be aware that risks exist as with ant other surgical procedure.
Although cornea transplants are highly successful, unfortunately there can be no guarantees with corneal transplant surgery, just as there can be no guarantees with any other type of surgery. Some of the possible complications that could occur are infection, bleeding, glaucoma, a wound leak, poor wound healing, and failure or rejection of the transplant. If a transplant should fail, it does not mean blindness or loss of the eye. Rather a subsequent transplant may be performed with a good chance of success.