An electronic device (100) for ordering eyewear comprising first camera (201a) for taking pictures of the customer eye region, a control unit (202) comprising processor (203) and memory means (204) for managing components of the device (100), the control unit (202) being adapted to acquire and process data on lenses required for the customer, communication means (207) for sending orders characterized in that it further comprises at least one additional camera (201b) for taking pictures of the customer face, disposed at different height than the first camera (201a), means (209) for reading marking from eyeglass frames (400) for accessing it's model data from the database (302) wherein at least said two cameras (201a, 201b) are calibrated so as to take at least two pictures of the customer face which match geometrically and wherein the control unit (202) is adapted to process said at least two pictures acquired by at least said two cameras (201a, 201b) so as to find characteristic points of the customer face and is adapted to calculate pupillary distance PD and half- height SH based on the at least 2D model data of the eyeglass frame (400) from the database (302) and said characteristic points of the customer face, and wherein the control unit (202) is further adapted to automatically complete an order for eyewear. The invention also relates to a system and a method for ordering eyewear.L'invention concerne un dispositif électronique (100) destiné à commander des lunettes qui comprend une première caméra (201a) destinée à prendre des photos de la région de l'œil du client, une unité de commande (202) comprenant un processeur (203) et un moyen de mémoire (204), destinée à gérer des composants du dispositif (100), l'unité de commande (202) étant conçue pour acquérir et traiter des données sur des lentilles requises pour le client, un moyen de communication (207) destiné à envoyer des commandes, caractérisé en ce qu'il comprend en outre au moins une caméra supplémentaire