+An **optical illusion** is a visual phenomenon where the perceived image differs from objective reality. It challenges our [Perception](/wiki/perception), showing how the [Brain](/wiki/brain) interprets sensory input in ways that can deceive the eye. These intriguing visual puzzles reveal the complexities of human sight.
+## See also
+- [Cognition](/wiki/cognition)
+- [Vision](/wiki/vision)
+- [Psychology](/wiki/psychology)
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