That's why it was done on cats, half a decade ago, and even that was controversial. David Hubel and Torsten Wiesel won a nobel prize for their research where t

That's why it was done on cats, half a decade ago, and even that was controversial. David Hubel and Torsten Wiesel won a nobel prize for their research where they sewed kittens eyes shut and then unsewed them when they were adults. It was landmark research.