An image processing apparatus for analyzing a plurality of images acquired of an eye to be inspected includes a photoreceptor cell analysis unit configured to analyze an area of each photoreceptor cell in a first image, a fundus analysis unit configured to analyze a characteristic of a fundus from a second image, an image associating unit configured to associate the first image with the second image, a characteristic value calculation unit configured to calculate a value of the characteristic for the area of the each photoreceptor cell from the association, and a display unit configured to display an image based on the value of the characteristic calculated for the each photoreceptor cell.