A corneal transplant involves replacing a diseased or scarred cornea with a new one. When the cornea becomes cloudy, light cannot penetrate the eye to reach the light-sensitive retina. Poor vision or blindness may result.
For all of the NEI information on this topic, please visit the following webpage:
Facts About the Cornea and Corneal Disease
For more information from other health sites, please visit the following webpages:
MedlinePlus, Corneal Transplant
The University of Michigan Kellogg Eye Center, Corneal Transplant
Mayo Clinic, Cornea Transplant
Merck Manual, Corneal Transplantation (Corneal Graft; Penetrating Keratoplasty)