Corneal Transplantation

Corneal transplantation, also known as a corneal graft or keratoplasty, is a surgical procedure in which a damaged or diseased cornea is replaced with a healthy donor cornea. The cornea is the clear, dome-shaped surface at the front of the eye that plays a crucial role in focusing light and enabling clear vision. When the cornea becomes cloudy, scarred, or damaged due to conditions such as corneal dystrophies, infections, trauma, or certain eye diseases, it can severely impair vision. In cases where conservative treatments like medications or corrective lenses are no longer effective, a corneal transplant may be recommended.

During the procedure, the surgeon removes the affected portion of the cornea and replaces it with the donor tissue, which is secured using sutures. The donor cornea is carefully matched for size, shape, and other characteristics to ensure compatibility with the patient’s eye. Corneal transplantation is often performed under local anesthesia, with patients being awake but numb during the procedure. The success of the transplant depends on various factors, including the health of the eye, the underlying condition being treated, and the patient's adherence to post-operative care.

After surgery, patients may experience improved vision, although the recovery process can take several months as the cornea heals and adjusts. The procedure is considered safe and effective, with high success rates in restoring vision and improving the quality of life for individuals with corneal damage. However, long-term care, including the use of eye drops and regular follow-ups with an ophthalmologist, is essential to ensure the transplant remains successful and to monitor for potential complications, such as rejection of the donor tissue.

Corneal transplantation is typically performed when the cornea is severely damaged or diseased, and conventional treatments (glasses, contacts, or medication) have failed. Several conditions can lead to the need for a corneal transplant:

Keratoconus: A condition in which the cornea becomes thin and bulges into a cone shape, leading to blurred or distorted vision. In advanced cases, a transplant may be required to restore clear vision.

Fuchs' Dystrophy: A progressive disorder affecting the corneal endothelium, leading to corneal swelling, cloudiness, and vision impairment. If untreated, a corneal transplant is often necessary to restore vision.

Stromal Dystrophies: Inherited disorders that cause deposits in the stroma (the middle layer of the cornea), leading to scarring and opacity. This can interfere with vision and necessitate a corneal transplant.

Corneal trauma, such as lacerations, chemical burns, or foreign body injuries, can severely damage the cornea, leading to scarring and permanent vision loss. In such cases, corneal transplantation may be the only option for restoring vision.