I've had cornea transplant surgery because I have kerataconus. It has a 95% success rate, which is because the corneas use no blood. Of course, that makes the recovery time much longer. My first surgery was in July last year, and I'm still not fully recovered. I'm getting the other eye done in July/August. It's one of the simplest surgeries there is, but the recovery time is one of the longest. The thing is, if these kids are blind because of the cones and rods of their eyes not functioning, then a cornea transplant is worthless.