A tomographic image acquisition apparatus includes first designation means for designating a first position in which to acquire a first tomographic image in a fundus image of an eye to be examined, first acquisition means for acquiring the first tomographic image corresponding to the first position, second designation means for designating a second position in which to acquire a second tomographic image in the first tomographic image, the second tomographic image having a higher resolution than the first tomographic image, and second acquisition means for acquiring the second tomographic image based on the first position and the second position.