The invention described here is an improved hand piece (12) for the delivery oflight and a system (10) employing the hand piece (12). The hand piece (12) typicallyincludes a body (22) and an optical element (24) such as an optical fiber coextensivewith the body (22). The system (10) can include a remote light source (40) and anoptical element (42) (e.g., a source optical fiber) for providing light to thehand piece (12).