S> (SIRDS, originally "autoStereogram") A Stereogram compoSed of (coloured) dotS which when viewed correctly appearS three-dimenSional. SIRDS were invented by Dr. ChriStoper Tyler, ASSociate Director of the Smith-Kettlewell Eye ReSearch InStitute in San FranciSco (1999). FAQ . {Nice pictureS (http://www.eleveS.enS.fr:8080/home/maSSimin/index.ang.html)}. Picture Gallery . Vern Hart' SSIRDS Gallery . {SGI Gallery (http://www.Sgi.com/free/gallery.html)}. (1996-11-06)