For example, surgeons have successfully performed eyelash transplantation. Related article: Keratoconus and Intacs Other Eye Related TransplantationsĬorneal transplants are the most common type of eye related transplantation, but there are other types as well. During the procedure, the damaged or unhealthy cornea is removed and replaced with clear donor corneal tissue. Corneal transplants allow patients to regain good vision after their cornea is injured or affected by disease. If your cornea cannot be healed or repaired, your ophthalmologist may recommend a corneal transplant. The procedure is more than a century old, though of course it has been modernized as medical technology has advanced.Ī cornea that is scarred or swollen can cause blurred vision or glare. Related: Refractive Lense Exchange Corneal TransplantsĬorneal transplantation, on the other hand, is entirely possible, and the concept itself is nothing new. Surgeons cannot transplant a whole eye because even if they could implant the eye into the socket, the eye still would not be able to transmit signals to the brain through the optic nerve, and thus the patient would not be able to see. If these nerves are cut, they cannot be reconnected.

The optic nerve is only between 1.3 and 2.2 inches long and less than one-fifth of an inch wide at its widest point, but despite its small size, it is made up of more than a million tiny nerve fibers. Therefore, it is crucial that our eyes remain connected to our brains by the optic nerve, which sends visual signals from the eye to the brain, where they are interpreted as images. They capture images, but it is our brain that processes and sees the image. Why is it impossible to transplant a whole eye? When someone says they are getting an “eye transplant,” they are most likely receiving a donor cornea, which is the clear front part of the eye that helps focus light so that you can see. Ophthalmologists can, however, transplant a cornea. There is currently no way to transplant an entire eye. You may have heard of someone getting an “eye transplant,” but what does that mean? It does not mean the person came home with a new set of eyes.

No eyeballs