Corneal transplantation, also known as penetrating keratoplasty, is the total or partial replacement of the cornea, the clear outer lens on the front of the eye responsible for providing vision. This is one of the most common transplants and is done with the cornea of a recently deceased donor, and whose eyes have been previously analysed to ensure their validity for transplantation. Corneal transplantation is performed when severe vision problems occur due to various dysfunctions in the cornea. The corneal transplant procedure is minimally invasive and involves removal of a small piece of the cornea and the placement of the new over the old cornea by suturing.
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