Comment by ultrasounder
Comment by ultrasounder a day ago
https://www.sankaranethralaya.org/
The one in Chennai is roughly 40 years old. They should have a "appointment booking" available right there on the landing page. They perform full-on keratoplasty a.k.a Corneal Transplant. But like the other poster said, please consult your pediatrician about other options as You are dealing with a toddler. Best wishes and hugs. wishing you and your wife all the very best.
Can second these guys. They helped my sister get better vision (she had nerve damage as a infant)