No HLA matching is performed for corneal tissue transplants as the cornea occupies a privileged site not usually seen by the immune system. This term has been coined "immune privileged".

No HLA matching is performed for corneal tissue transplants as the cornea occupies a privileged site not usually seen by the immune system. This term has been coined "immune privileged".

Corneal tissue may be transplanted successfully from one patient to another because:
A . Anti-corneal antibodies are easily suppressed
B. Corneal antigens do not activate T cells
C. The cornea is non-antigenic
D. The cornea occupies a privileged site not usually seen by the immune system
E. The cornea has the same DNA in everyone.

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Answer: D