1. An ophthalmologic image display apparatus for displaying information about an eye, comprising: an input unit configured to input a tomographic image of the eye; an acquisition unit configured to acquire diagnostic supporting information associated with positional information about the tomographic image of the eye; a processing unit configured to perform processing for assigning a voxel value to volume data constituting the tomographic image based on a reflection intensity value indicating the tomographic image and the diagnostic supporting information; and a display control unit configured to cause a display unit to display an image processed by the processing unit.