How many BLACK dots do you see in the pic below 
[thumb=H]black_do14497_8682112.JPG[/thumb]
Woman doing make-up or a SKULL 
[thumb=H]opti314497_9671646.JPG[/thumb]
Focus on the black dot in the middle - and then move your head backwards and forwards - WIERD - isnt it ?? 
[thumb=H]dotinbaseball14497_7147991.JPG[/thumb]
P.S
Pic Resolution IS A BIG FACTOR
so please click and enlarge to get the true feel : thank you :