75 Here καί (kai) has been translated as “then” to indicate the implied sequence of events within the narrative.
76 Grk “And answering, Jesus said to him.” The participle ἀποκριθείς is redundant and has not been translated.
77 Or “Master”; Grk ῥαββουνί (rabbouni).
78 Grk “that I may see [again].” The phrase can be rendered as an imperative of request, “Please, give me sight.” Since the man is not noted as having been blind from birth (as the man in John 9 was) it is likely the request is to receive back the sight he once had.

In other versions

And Jesus said to him, “What do you want me to do for you?” And the blind man said to him, “Rabbi, let me recover my sight.”

“What do you want me to do for you?” Jesus asked him.

The blind man said, “Rabbi, I want to see.”

Then Jesus answered him, “What do you want me to do for you?”

“Rabboni,” the blind man said to him, “I want to see.”

“What do you want me to do for you?” Jesus asked.

“My Rabbi,” the blind man said, “I want to see!”

And Jesus answered him and said, “What do you want me to do for you?” And the blind man said to him, “Rabboni, that I may regain my sight.”

And Jesus answered and said unto him, What wilt thou that I should do unto thee? The blind man said unto him, Lord, that I might receive my sight.

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