How do I stop my blind kitten from biting/clawing living things?

I’ve trained many cats and kittens, but I recently adopted a new challenge, that’s proved to be, well, a bit of a challenge.

I’ve adopted two kittens, brothers, and one is a special needs cat: he is blind. They are currently 5 months old. The not-blind one is learning quickly, but the blind one is proving more difficult to train, especially when it comes to clawing and biting. The kitty does not discriminate between toys, hands, toes, other body parts and objects. Everything has to be explored by chewing on it and feeling it (with claws).

I’ve tried the technique mentioned in the answer to this question but it doesn’t work, probably due to his handicap and his need for exploring. Still, I don’t like being bitten/clawed. How can I teach a visually impaired kitten the difference between living things and objects and that it’s not okay to bite them, without punishing him for trying to explore?