1. A system for visual testing and/or training, the system comprising: a display device capable of rendering at least one visual indicia during a least a first period of time, each of the at least one visual indicia possessing at least one visual trait defining an orientation of the visual indicia; a control unit operably connected to the display device, the control unit operable to cause the display device to render at least one visual indicia possessing at least one visual trait defining an orientation during at least a first period of time, the location of the rendered visual indicia changing at a rate of speed during the first period of time while maintaining the orientation; and an input device capable of receiving an input from an individual indicating an orientation defined by a visual trait the individual perceives the rendered visual indicia to possess during the first period of time as the location of the rendered visual indicia changes, the input device operably connected to the control unit to transmit the received input to the control unit.