Really sorry to hear that!
Maybe this can provide some useful information.
http://www.animaleyecare.net/diseases/cataract.htm
But the best option is to trust the vet, best of luck!
With nine weeks she is still too young to really tell, puppies are always full of energy when they are that young. Also, what might seem as aggressive behaviour could actually just be playing, so nothing to worry about yet.
We own two Papillons, just got our second one a few weeks ago and my family and of course the kids are really happy. I would say that they are great dogs. Full of energy and they just love to play, hard to get them to sit still, especially when they are young. We took some beautiful pictures of...