Grid Illusion

A grid illusion is any kind of grid that deceives a person's vision. The two most common types of grid illusions are the Hermann grid illusion and the scintillating grid illusion.

Read more about Grid Illusion:  Hermann Grid Illusion, Scintillating Grid Illusion, Differences Between The Scintillating and Hermann Grid Illusions, Theories

Famous quotes containing the word illusion:

    The apparent ease of California life is an illusion, and those who believe the illusion will live here in only the most temporary way.
    Joan Didion (b. 1935)