Some optical illusion GIFs that I found to be pretty amazing. You may not ALWAYS believe what your eyes are telling you!
This one actually hurts my brain, but is still really cool!
Move your eyes above this line and the black and white dots will look like they’re rotating clockwise.

Via: moillusions.com
But focus on the central red or yellow dots and the outer ones reverse to show their true direction – counter-clockwise.
These still images start moving once a grating is passed over them.

Via: youtube.com
Look, even this cat sees it.

Via: youtube.com
This is a Penrose triangle, also known as the impossible triangle because how does it work?!

Via: moillusions.com
Look at any two sides and it appears to be normal, but the third never quite seems right.
Cats or birds?

Via: moillusions.com
Which way is this train going?

Via: moillusions.com
This is a variation on the classic spinning dancer illusion.
Look at this black dot and see the outlines filled in with color.

Via: moillusions.com
Thanks, afterimages.
Last, but not least…These yellow and blue blocks look like they’re stepping alternately over the stripes.

Via: michaelbach.de
But in fact they are always parallel, as you can see when the stripes disappear.
wow-i really think my eye surgeon can have you arrested for these Rat, cuz now my eyeball hurts-snicker..i’ve never seen any of them before, and they are just to kewl..i ain’t figured out that triangle either..mebbe it’s too early ; )