I have two cats that are blind (one born blind and one blinded as a kitten). They have adjusted quite well to not being able to see. I have created a house where they can "climb" up and do not have to jump. If any of the other cats "pick on" the blind one, please put a collar and bell on them. That way it gives a little warning, so they can defend themselves.
I think you will find that having a blind cat is almost no different than having a sighted cat (except they don't jump on top of the fridge)
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