Where does the idea that Japanese people are nearsighted come from?

Factual Questions
21

That’s weird. The guy in that 5th link looks practically Irish.

http://www.allposters.com/-sp/The-Irish-Idol-Anti-Irish-Cartoon-Depicting-the-Irish-People-Worshipping-the-M-Posters_i1875522_.htm

22

Oh, tools. I thought they looked like cigarettes and other smoking paraphernalia.