Cornea transplant
A cornea transplant is an operation used to remove all or part of a damaged cornea and replace it with healthy cornea tissue from the eye of a suitable donor.
Cornea transplants are usually performed to correct problems with your eyesight caused by certain medical conditions.
There are a number of different types of cornea transplant procedure, depending on the areas of the cornea that need to be replaced.
As with all types of surgery, there are several risks and possible complications involved with having a cornea transplant.
It's important to take good care of your eye after a cornea transplant to help ensure a good recovery and reduce the risk of complications.
Paul Rigg says getting his sight back after a cornea transplant was like waking up after a long sleep.
Don Short, 80, from East Sussex, couldn't read a book or newspaper and was unable to watch TV until he had a cornea graft.