Jesus heals a blind man as he approaches Jericho. These verses give background information and information about the setting of the story. (See: [[rc://en/ta/man/jit/writing-background]])
"there was a blind man sitting." Here "certain" means only that the man is an important new participant in the story. Luke does not mention his name. (See: [[rc://en/ta/man/jit/writing-participants]])