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optical illusion
Geometric optical illusions page 2
 optical illusion
You will not believe your eyes
 
geometrical optical illusions   amazing optical illusions
 
best color optical illusions To have the answer about the illusion : put your cursor on the picture

© Ophtasurf, 2000-2010
the square seems to be curved
Which of these arcs belongs to the largest circle ?
According to you, the red figure is smaller than the green one?
optical illusion : however it's just a square !   optical illusion : the tree circles are completely the same   optical illusion : of course not
         
         
What do you see ? a cube ?
  
 
Are the lines parallel ?
optical illusion : however it does not exist     optical illusions : of course they are !
       
         
Are the boards parallel ?
 
How many cubes there are ? You see 7 cubes ?
  
Which square has a darker red ?
optical illusions, the boards are identical   optical illusion : While turning over the figure, we see nothing any more but 5 cubes...   optical illusion : The two squares have exactly the same color
   
   
© Ophtasurf, 2000-2010


   
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