An eye detection system (5) comprising: at least one illuminating element (10) adapted to emit light in a direction towards the head (9) of a user; at least one image sensor (11) that is adapted to: receive light from the illuminated head (9) of a user; capturing snapshots, each snapshot being represented by a digital image frame comprising an array of snapshot elements; and outputting a plurality of data subsets, each data subset including at least one row or column of snapshot elements of said digital image frame; a plurality of eye detection units (14a, 14b) connected to said image sensor (11), wherein each eye detection unit (14a, 14b) is adapted to receive a respective subset of data and to operate substantially in parallel between yes, wherein each of said ocular detection units (14a, 14b) includes an ocular feature extraction module (15) adapted to perform an ocular feature extraction process on the respective data subset to identify predetermined ocular features in said digital frame, and an ocular data generation module (18) connected to said ocular detection units (14a, 14b) and which is adapted to: receive information on potential identified ocular characteristics from said ocular detection units (14a, 14b) ), including said snapshot element coordinate information for said identified ocular features, and the received subset of snapshot items, and generating eye data based on said potential eye feature information in case said identified eye features satisfy predetermined conditions, and transferring generated eye data and received subsets of snapshot items to a processing module (20), and wherein a data stream of said eye data and the subset of snapshot elements of a digital image frame are substantially parallel.Un sistema de detección ocular (5) que comprende: al menos un elemento iluminador (10) adaptado para emitir luz en una dirección hacia la cabeza (9) de un usuario; al menos un sensor de imagen (11) que está adaptado para: recibir luz desde la cab