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Talk:Optical illusion

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This is an old revision of this page, as edited by Arpingstone (talk | contribs) at 16:51, 31 March 2005 (I imagine this strange question was an editing exercise!). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

what is an optical illusion?

An optical illusion is any illusion that deceives the human visual system into perceiving something that is not present or incorrectly perceiving what is present - Adrian Pingstone 16:51, 31 Mar 2005 (UTC)
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