Killing Time/cyclists.

JDB Check this out, there is an interesting little test to show this on Wikipedia

http://en.wikipedia.org/wiki/Blind_spot_(vision)

I think it is very hard to stop your eyes from scanning and filling in the blind spots, although LSD and other drugs do play around with the part of your brain that "fills in the blanks" in your vision.

That's a much better test version ! Cheers :)

Try JDBs version, works much better: http://en.wikipedia.org/wiki/Blind_spot_%28vision%29