TOPICS
Search

Vertical-Horizontal Illusion


VerticalHorizontalIllusion

The horizontal line segment in the above figure appears to be shorter than the vertical line segment, despite the fact that it has the same length.


See also

Illusion, Müller-Lyer Illusion, Poggendorff Illusion, Ponzo's Illusion

Explore with Wolfram|Alpha

References

Fineman, M. The Nature of Visual Illusion. New York: Dover, p. 153, 1996.

Referenced on Wolfram|Alpha

Vertical-Horizontal Illusion

Cite this as:

Weisstein, Eric W. "Vertical-Horizontal Illusion." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Vertical-HorizontalIllusion.html

Subject classifications