A Generational Thing?

Joking around at the check out counter of a local shop, the clerk commented, '"I see," said the blind mouse!'

"The blind mouse?" questioned Marash Girl, having never heard the expression before. . .

"You know," he said; "The three blind mice?"

"Oh," countered Marash Girl.  "When I was a kid, the joke went like this -- 'I see," said the blind man, as he picked up his hammer and saw.'  I never thought of it as politically incorrect, or even as a joke; only as a riddle.  My grandmother was blind, you see, and my father and uncle were always sawing wooden boards (with a saw) or pipes (with a hacksaw) . . ."