I am very sorry but it is not your fault. You had no idea this was going to happen because Benny had been good with the puppy. Accidents happen. Please do not be hard on yourself about this.
I don't mean to sound insensitive but since it's happened, being blind in one eye is not that big of a deal, especially when they grow up that way.
Ruth & the 4 Legged Rescue Gang
Rafi the malaroo
Gio & Varda, the krazy kittens
....In my heart: