Trippy Hallucination Video

Afterimage,Motion,Video 17 April 2014 3 Comments

Trippy Hallucination Video

Upon playing this video, the introduction warns the viewer as follows: Be aware!  This video may cause temporary hallucinogenic effects.  But please do not be afraid, these effects usually last a few seconds. The warning is overly dramatic, but it does produce a pretty amazing effect.  And in case you are worried, rest assured that […]

Schmear by Kaia Nao

Motion 27 February 2014 0 Comments


The vibrant flowing colors of this peripheral drift motion illusion appear to swirl and move as your eyes move around the image.  For another great motion illusion, have a look at the Psychedelic Motion Illusion. (via Kaia Nao)

Twisting Spiral

Estimation,Motion 13 January 2014 0 Comments

Twisting Spiral by Gianni Sarcone

Take a look at the spiral created by Gianni A. Sarcone below.  Does it appear to be moving in a clockwise direction? Now start on the outside and follow the lines that make up the spiral around in a clockwise direction.  Do they spiral to the middle?  Or is this really made from a series […]

Top 10 Optical Illusions of 2013

Miscellaneous 31 December 2013 0 Comments

Top Optical Illusions of 2013

Would like to take the time to wish everyone a Happy New Year!  Based on your feedback, votes and shares on social media sites, here are the ten most popular optical illusions posted on An Optical Illusion during 2013.  The illusions are listed in no particular order whatsoever.  Click each post title to be taken […]

Moving Arrows Illusion

Motion 4 November 2013 0 Comments

Moving Arrows Optical Illusion

The yellow arrows on the purple background below appear to move independently to the left and the right.  Specifically, the top and bottom rows of arrows seem to have the most significant amount of motion for me.  If you are having trouble getting this static image to move, try staring at it while moving your […]

Eye Rays Motion Optical Illusion

Motion 26 August 2013 2 Comments

Eye Rays by Akiyoshi Kitaoka

Over the past few months, we have had several requests for a mobile version of An Optical Illusion.  We listened.  Now you can view a simplified version of the site on your mobile device.  At the bottom of the layout, you will also have the option to turn the new layout off and view the […]

Expanding Fields

Motion 15 July 2013 0 Comments

Bed Wetting Dream

In this work from Professor Akiyoshi Kitaoka, each of the four fields appears to expand and move toward you.  Like all of these motion illusions, the more you move your eyes around the image, the stronger the effect.  Try to hold your eyes still by looking at one location and the movement will cease. Visit […]