Continuing The "Good News" Theme.

[Canary42]

https://uk.yahoo.com/news/woman-regains-sight-going-blind-164104975.html

[Bobbisox1]

Wow, that’s amazing

[Ken4155]

Better than winning any lotto. Really, really pleased for this young woman.

[Ellipsis]

That is a good news story.

Although it did involve an operation ... I have a friend who has a horse that went blind and remained blind for years. They assumed it would be blind forever, as you would, but its sight returned! No operation involved. Perhaps the horse was having them on all that time ...

[Ken4155]

^
Quite possible the horse was pretending. I have a dog that feigns deafness from time to time:-)

[piggynose]

Don't they say 'love is blind'.

[Peter Pedant]

keratoconus is a cone shaped cornea and you just replace it
simples
she remained blind - a bit odd - perhaps she got amblyopia - lazy eye of old. Remember the glum 7 y olds with patches over their eyes... and it slowly returned...

great.