Another freaky optical illusion [picture]

[theoceansnerves]

[Book Lover]

1. <grin>

I see the illusion of movement, but what's also neat is that if I sit back and unfocus, the movement stops.

[theoceansnerves]

2. :>

the slightest eye movement gets it going again.

[uhhuh]

3. Are my eyes broken?

All of them appear to be moving to me except the bottom center one. i can't get that one to move no matter what I do.

[UGABrother]

4. that's great

I'm emailing this to my old professor who studies vision.

[uncle ray]

5. damn

all i saw was a stupid sailboat.