illusions d'optique géométriques
Geometric optical illusions page 1
des illusions de fou
 
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 between the squares? Grey?
 
What is the longest line ?
 
Which red round is bigger ?
optical illusion : however there is not.   optical illusion : they have all the same length   Optical illusion : They are of course perfectly identical
         
         
What is the longest line ?
 
 
Which is the longest bar ? The left one ?
optical illusion : they are exactly identical.     Optical illusion : they are of course perfectly the same
     
         
Which red segment on the left is aligned with the right one ?
 
Which square is bigger ?
 
 Fix well the center of the image while approaching you or while moving away you from your screen. A surprising effect will occur...
optical illusion : the low one   optical illusion : they are completely the same   optical illusions : the rings seem to turn...
        Author : Baingio Pinna
© Ophtasurf, 2000-2010

   
geomtrical illusio   optical illusion
 

Optical illusions : Back