He'd figured it had something to do with the wait for a suitable cornea transplant.
He also said all the cornea transplants previously "reported in medical history" had been failures.
Her right eye has limited vision, despite attempts to restore it with a cornea transplant.
About 40,000 people had cornea transplants last year, most for endothelial failure.
In both groups, 86% of patients had successful cornea transplants.
In fact, the first successful human transplant was a cornea transplant.
Medically, a cornea transplant is currently the only procedure that takes advantage of this.
Years later, Naina gets a successful cornea transplant, and is able to see.
Five people received his major organs, and two received a cornea transplant.
A further 2,402 people had their sight restored through a cornea transplant.