Obviously, most blind dogs cannot navigate stairs very well. When blind dogs are in their normal environment, most people don't know they are blind. A Litterbox that is the right size for the age of the kitten. Avoid boxes that are too deep and thus might be difficult for your new kitten to climb into. Litter for the litterbox - you may be surprised at how picky some kittens can be.
Some cats prefer the very fine grain litter and some prefer the coarser types.
Don't give up if your kitten does not seem pleased at first. Most kittens will definitely let you know when you have hit upon the right mixture. The breeder can let you know what the kitten is used to. Scratching their claws is a healthy, natural instinct for cats and providing them with the right place to do that will keep you and your kitten happy. Purchase clippers made especially for cats.