1. A method for displaying information to a user during a medical procedure comprising the steps of: a. determining a field of view of the user through a head mounted display device worn by the user; b. retrieving object information on one or more objects within the field of view from one or more sensors; c. retrieving supplemental information from data storage in a computer, d. integrating said retrieved object information with the retrieved supplemental information; and e. displaying the integrated information on one or more display elements on the head mounted display device during the medical procedure.