A tiled freeform optical display system, comprising: an image source (110, 208, 302, 902, 932, 1002, 1028, 1104, 1150) injecting light rays into a primary freeform optical element (404B, 502); a secondary freeform optical element (406B, 504) attached to the primary freeform optical element (404B, 502) in a first tiled arrangement to form a tiled freeform optical display device that expands a field of view of the primary freeform optical element (404B, 502) for displaying virtual display content with the light rays from the image source (208, 302, 902, 932, 1002, 1028, 1104, 1150); at least one coupling lens (108, 206, 304, 904, 1004) interposed between the image source and the primary freeform optical element and configured to relay the light rays from the image source to the primary freeform optical element and the secondary freeform optical element and to correct optical aberrations for the light rays; and a variable focusing element (106, 204, 306) operatively coupled to the image source (208, 302, 902, 932, 1002, 1028, 1104, 1150) and the tiled freeform optical display device and comprising a deformable optical element that is configured to change a focal distance of a focal plane on which at least a part of the virtual display content is rendered in focus, wherein the primary freeform optical element (404B, 502) provides a first aspect ratio comprising, a vertical field of view and a first horizontal field of view, wherein the horizontal direction is the direction from the nose side to the temple side of a viewer; wherein the secondary freeform optical element (406B, 504) provides a second aspect ratio comprising the vertical field of view and a second horizontal field of view, wherein the first aspect ratio is different from the second aspect ratio, wherein the primary freeform display element (404B, 502) defines an increased or maximized primary vertical field of view, wherein the secondary freeform display element (406B, 504) defines a secondary vertical field of view equal to the increased or maximized primary vertical field of view, wherein the tiled freeform optical display device defines a field of view having the increased or maximized primary vertical field of view and a predetermined aspect ratio for the field of view, wherein the predetermined aspect ratio is 16:9, 4:3, or 2.35: 1. an image source (110, 208, 302, 902, 932, 1002, 1028, 1104, 1150) injecting light rays into a primary freeform optical element (404B, 502); a secondary freeform optical element (406B, 504) attached to the primary freeform optical element (404B, 502) in a first tiled arrangement to form a tiled freeform optical display device that expands a field of view of the primary freeform optical element (404B, 502) for displaying virtual display content with the light rays from the image source (208, 302, 902, 932, 1002, 1028, 1104, 1150); at least one coupling lens (108, 206, 304, 904, 1004) interposed between the image source and the primary freeform optical element and configured to relay the light rays from the image source to the primary freeform optical element and the secondary freeform optical element and to correct optical aberrations for the light rays; and a variable focusing element (106, 204, 306) operatively coupled to the image source (208, 302, 902, 932, 1002, 1028, 1104, 1150) and the tiled freeform optical display device and comprising a deformable optical element that is configured to change a focal distance of a focal plane on which at least a part of the virtual display content is rendered in focus, wherein the primary freeform optical element (404B, 502) provides a first aspect ratio comprising, a vertical field of view and a first horizontal field of view, wherein the horizontal direction is the direction from the nose side to the temple side of a viewer; wherein the secondary freeform optical element (406B, 504) provides a second aspect ratio comprising the vertical field of view and a second horizontal field of view, wherein the first aspect ratio is different from the second aspect ratio, wherein the primary freeform display element (404B, 502) defines an increased or maximized primary vertical field of view, wherein the secondary freeform display element (406B, 504) defines a secondary vertical field of view equal to the increased or maximized primary vertical field of view, wherein the tiled freeform optical display device defines a field of view having the increased or maximized primary vertical field of view and a predetermined aspect ratio for the field of view, wherein the predetermined aspect ratio is 16:9, 4:3, or 2.35: 1.