Images with enhanced resolution are created with a display device comprising a non-transmissive light valve including addressable pixels, a light source that directs light to the light valve, and a lens positioned between the light valve and the light source, the lens directing light from the light source to the pixels on the light valve and the light valve directing light to viewing optics. The methods for preparing an aseptic hydrated emulsifier comprise the steps of: A. The components have a disclosed height, so that a user can calculate the height of a person who is positioned proximate a chart comprised of a plurality of assembled components.