The experimental results on the ability of three-dimensional perception of planar images are presented. The objective of the research was to study the direction of eye movement when viewing various types of images. It was assumed that the perception of the depth of the planar image would have an effect on the eye movements. The research task consisted in comparing the level of perception of the depth of a planar image with the characteristics of eye movement when perceiving the stereoscopic depth of the stereogram and the depth of perception of a raster 3D-image. It is shown that the plane of the perceived image is located behind it at a distance of 8-58 cm in the conditions of three-dimensional perception. It is also shown that the plane of the perceived image on the 3D-raster is located at a distance of 23–37 cm behind the raster. The histogram of the difference shows that the perception of the depth, volume of the planar image and the depth of the raster image correspond to the same dependencies. A similar shape of the histogram was also registered with a planar perception of a stereogram. It is assumed that the histogram contour of the difference under conditions of its planar perception includes the relief effects. The presented experimental material shows that the effects of perception of the depth, the volume of a planar image, are characterized by at least one level of value with the stereoscopic depth of stereograms and 3D-raster image.