What are optic ilusions?

Portugal
November 24, 2006 11:16am CST
define me that...i now what are at my way but at yours what they are?
2 responses
@elixir (1456)
• Guam
24 Nov 06
which appear differently to what they appear..
@terriann (4458)
• United States
24 Nov 06
It looks like something it really isn't, your eyes plays tricks on you.