1. A head mounted display comprising for each eye of a user of the display: a plurality of lenses positioned relative to one another as though each of the lenses is tangent to a surface of a first sphere having a center that is located substantially at a center of rotation of an eye of a user of the head mounted display; and a plurality of displays positioned relative to one another as though each of the displays is tangent to a surface of a second sphere having a radius larger than the first sphere's radius and having a center that is located at the center of rotation of the eye of the user; wherein each of the displays corresponds to at least one of the lenses, and is imaged by the corresponding lens.