How come eye/retina transplants do not work?

When you have transplants from other parts of the human body they tend to function really well, why is this an exception with the eye? Why is it that if a person has a dead/blind eye or a diseased retina they cant receive a transplant from a healthy/eye retina? I have always been curious about this.

[John C Hagan III, MD, FACS, FAAO]

1. Tissue transplants to the front of the eye are HIGHLY SUCCESSFUL. examples: corneal transplantations  scleral and conjunctival transplants.
2. retina and optic nerve tissue on the bak of the eye are BRAIN tissue and brain tissue to not regenerate like peripheral nerves. So if a hand is cut off surgeons will try and sew it back on by unitiing arteries, veins, bones, skin, and nerves. If the spinal cord is cut they do not try and sew it back together because it won't grown. Research using many techniques are being done worldwide

JC MD

[Talons]

Ah i see, Thank you

[John C Hagan III, MD, FACS, FAAO]

We'll all see when these problems are 'cured"

JCH MD

[myblindeye]

Thank you for your above explanation.  Would you PLEASE tell me where and what number to contact to be a volunteer patient for retina transplant surgery?  Is there any successful retina transplant done?  Thank you very very much for your help.

Donna

[John C Hagan III, MD, FACS, FAAO]

Human to human  retina transplants are not being done, the problems at this time are way too severe.

JCH MD

[kimzo]

Dr. Hagan, my wife was pregnant and had HELLP syndrom (syndrome) which caused extreme high blood pressure which accordingly damaged parts of her retinas with scars on them. We are looking for solution for that. Where are we now in retinal transplant?

Thank you
OMAR

[John C Hagan III, MD, FACS, FAAO]

The retina, like the optic nerve, is brain tissue and transplants have the same problems brain or spinal cord transplants have. So retina cannot be transplanted.  Research is underway on stem cell therapy, electronic retina/macula and nanotherapy. See a retina Eye MD to see if anything can be done;

JCH MD