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optical illusion
Geometric optical illusions page 4
 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
What do you see? A hexagon ?
  
Strange this figure, not ?
  
Is the star more close to the top or to the base of the triangle ?
optical illusion of the hexagon: if you look at better you will see a cube in perspective.   optical illusion of the triangle : If the figure is turned, it is not any more an impossible triangle   optical illusion of the barycentre: the star is not more close to the top of the triangle that base.
    The impossible Triangle    
         
What do you see in this figure ?
     
 Here, we see rounds which seem clearer than the background...
Optical illusion of the sun: the central round does not exist     optical illusion of ehrenstein: the blue rounds do not exist...
         
         
 Are the horizontal lines parallel ?
  
Are the red lines rectilinear ?
  
 Which blue point is in the center of the circle ?
optical illusion of the café wall : they are of course parallel   optical illusion of the secants: the two red lines are completely rectilinear   Optical illusion of the center: It is the blue point of left which is in the center.
         
© Ophtasurf, 2000-2010


   
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