In a groundbreaking medical procedure in May of 2023, Aaron James, an electrical lineman, underwent the first partial face transplant that included an eye. Fast forward a year later, and the results have been promising. There have been no signs of rejection, and the donated eye has a healthy blood flow. However, despite these positive outcomes, James is unable to see out of the eye, as reported by a medical team from New York University Langone Health in the Journal of the American Medical Association on September 9.
The nerve connections from the eye to the brain have withered, leading to the lack of sight. Although a test showed a small response of the eye to light, it does not indicate a potential return of vision. Furthermore, James has no sensation in the eye’s surface, and his eyelid remains closed. To prevent rejection, he will need to take immunosuppression drugs for the rest of his life.
While whole eye transplants have been proposed as a solution for blindness, there are numerous obstacles to overcome. One major challenge is the regeneration of nerve connections from retinal cells to the brain’s visual processing centers, as these connections do not naturally repair themselves after injury.
James faced a severe high-voltage electrical injury in 2021 that resulted in the loss of his left eye, nose, lips, and a significant amount of facial tissue. After identifying a suitable deceased donor in May 2023, the transplantation surgery lasted 21 hours. Despite the lack of restored vision, James has reported significant improvements in his quality of life one year post-surgery.
This case highlights the complexities and limitations of facial transplants involving eyes, shedding light on the challenges that medical experts face in restoring vision through such procedures. While James’ surgery marks a significant milestone in the field of facial transplants, further research and advancements are needed to overcome the barriers to restoring sight through transplantation.