An augmented reality display system , comprising: a fiber scanning device for scanning one or more frames of image data, wherein the fiber scanning device is configured to receive the image data from an image source; a plurality of switchable screens configured to provide a first aperture and comprising a first switchable screen of the plurality of switchable screens in a diffusive state and a first remaining number of screens of the plurality of switchable screens in a transparent state at a time point during operation; a variable focus element , VFE, optically coupled to the fiber scanning device and configured to provide a second aperture, and configured to change its optical power as a function of an eccentricity of the fiber scanning device to dynamically reduce a field curvature produced by the fiber scanning device , such that a center of the scanned one or more frames of image data is focused with one optical power and edges of the one or more frames of image data are focused with a different optical power, and wherein the VFE is also configured for variably focusing the one or more frames of image data among the plurality of switchable screens that spreads light associated with the image data to corresponding viewing distances, wherein the plurality of switchable screens is configured to provide the first aperture that is larger than the second aperture of the variable focus element; and viewing optics optically coupled to the plurality of switchable screens to relay the one or more frames of image data, wherein the VFE is between the fiber scanning device and the plurality of switchable screens , and wherein the plurality of switchable screens is between the VFE and the viewing optics . a fiber scanning device for scanning one or more frames of image data, wherein the fiber scanning device is configured to receive the image data from an image source; a plurality of switchable screens configured to provide a first aperture and comprising a first switchable screen of the plurality of switchable screens in a diffusive state and a first remaining number of screens of the plurality of switchable screens in a transparent state at a time point during operation; a variable focus element , VFE, optically coupled to the fiber scanning device and configured to provide a second aperture, and configured to change its optical power as a function of an eccentricity of the fiber scanning device to dynamically reduce a field curvature produced by the fiber scanning device , such that a center of the scanned one or more frames of image data is focused with one optical power and edges of the one or more frames of image data are focused with a different optical power, and wherein the VFE is also configured for variably focusing the one or more frames of image data among the plurality of switchable screens that spreads light associated with the image data to corresponding viewing distances, wherein the plurality of switchable screens is configured to provide the first aperture that is larger than the second aperture of the variable focus element; and viewing optics optically coupled to the plurality of switchable screens to relay the one or more frames of image data, wherein the VFE is between the fiber scanning device and the plurality of switchable screens , and wherein the plurality of switchable screens is between the VFE and the viewing optics . <EOS>