A tomographic image acquisition apparatus includes a first designation unit configured to designate a first position in which to acquire a first tomographic image in a fundus image of an eye to be examined, a first acquisition unit configured to acquire the first tomographic image corresponding to the first position, a second designation unit configured to designate 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 a second acquisition unit configured to acquire the second tomographic image based on the first position and the second position.
