1. A portable mirror device for extending the field of view of a user to the rear and sides, said portable mirror device comprising: (a) a mirror assembly comprising at least one mirror;
(b) a connecting member having an upper end and a lower end;
(c) an upper adjustable articulation means for connecting said upper end of said connecting member to said mirror assembly;
(d) an attachment device for reversibly attaching said portable mirror device to an arm of the user;
(e) a lower adjustable articulation means for connecting said lower end of said connecting member to said attachment device; and,
(f) a retaining strap for securing said mirror assembly against the user's arm,
wherein said mirror assembly is raised and lowered with respect to the user's arm by adjusting said upper adjustable articulation means and said lower adjustable articulation means.