A retinal function measurement apparatus capable of measuring a retinal function accurately and precisely. The apparatus has a first image obtaining optical system for obtaining a tomographic image of a fundus by optical coherence tomography using low coherent light, the optical system including a light source emitting the low coherent light, a scanning unit scanning measurement light being a part of the emitted low coherent light on the fundus, an interference optical system for synthesizing the measurement light reflected from the fundus and reference light being a part of the emitted low coherent light to interfere, and a first photodetector photo-receiving the interfered light, a stimulating light irradiation optical system for performing irradiation of stimulating light onto the fundus, and an image processing unit obtaining information on a retinal function by performing processing on a first tomographic image and a second tomographic image before/after the irradiation of the stimulating light.
