1. An image-based system to observe and document eye responses, comprising: a frame; a faceplate attached to said frame, shaped to substantially conform to a subject's face and having at least one opening oriented opposite a subject's eyes when said subject places their face against said face plate; at least one illumination device attached to said frame and aligned with said eye opening to illuminate a subject's eyes when said subject places their face against said faceplate; at least one imaging device attached to said frame and aligned with said eye openings to generate an image of a subject's eyes when said subject places their face against said faceplate; and a reflective protractor attached to said frame and aligned with said eye opening facing said at least one imaging device to display an image of the position of a stimulus target used by a test administrator.