Abstract: A method for determining ophthalmic parameters for a given frame and a given wearer, including: a) the given wearer is fitted with said given frame; b) providing a device including a first projecting mean able to project a pattern of optical radiation onto the face of the wearer, a first camera able to record said pattern of optical radiation, a processing device able to processes the image of the pattern in order to generate a depth map of the face of the wearer, a screen able to display the images recorded by said first camera and a light source able to illuminate the pupils of the wearer, c) recording simultaneously a depth map of the face of the wearer and a picture of the face of the wearer while said light source is illuminating the pupils of the wearer.