The parts of the eye which may be transplanted are corneas and the sclera, which is the white of the eye. The cornea is the most commonly and successfully transplanted portion of the eye. Its consistency is similar to that of a soft contact lens and its function is similar to a camera lens. Corneal transplants are performed in an effort to restore sight to an individual whose vision has been compromised by a genetic defect, degenerative disease process or traumatic injury. A cornea transplant is an outpatient surgical procedure for the recipient and usually restores sight for that person. One donor can restore sight for two recipients