1. Method for estimating the interpupillary distance (PD) of a person, characterized in that it comprises: a data acquisition phase 100 , which uses a predefined movement of the person in front of a camera; this data acquisition phase 100 comprises the capture of a set of successive images, representative of the person's eyes, when this person's position changes from a first configuration of the face (position and/or orientation in regards to the camera) to a second configuration of the face. a morphological and dimensional parameter calculation phase 200 based on the acquired data.