1. 
   extravisual
   Outside the field of vision, or beyond the visible spectrum. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?extravisual
   
   
2. 
   extravisual
   Type: Term Pronunciation: eks′tră-vizh′yū-ăl Definitions: 1. Outside the field of vision, or beyond the visible spectrum.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=31206
   
   

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