1. An ophthalmic photographing apparatus comprising: an optical coherence tomography device that comprises an optical scanner for setting a photographing position on an examinee's eye, and is arranged to obtain a tomographic image of the examinee's eye; a monitor; a driving control unit arranged to control driving of the optical scanner and scan measurement light two-dimensionally on the eye, and obtain a three-dimensional image of the eye; an image processing unit arranged to analyze the three-dimensional image, specify an abnormal portion through image processing, and extract a tomographic image corresponding to the specified abnormal portion from the three-dimensional image; and a display control unit arranged to control the monitor to display the extracted tomographic image corresponding to the abnormal portion.