U.S. National Library of Medicine
An illusion of vision usually affecting spatial relations.
The numerical value of optical illusions in Chaldean Numerology is: 5
The numerical value of optical illusions in Pythagorean Numerology is: 8
Sample Sentences & Example Usage
People who have realized that this is a dream imagine that it is easy to wake up, and are angry with those who continue sleeping, not considering that the whole world that environs them does not permit them to wake. Life proceeds as a series of optical illusions, artificial needs and imaginary sensations.
Images & Illustrations of optical illusions
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"optical illusions." Definitions.net. STANDS4 LLC, 2017. Web. 21 Jul 2017. <http://www.definitions.net/definition/optical illusions>.