1. A method ( 300 ) of identifying a person by an acquisition device ( 202 ) adapted to capture the image of the eyelashes ( 102 , 104 ) of the person, the method being implemented in an acquisition device and comprising: (a) placing the person to face the acquisition device ( 202 ); (b) a step ( 304 ) of capturing on a capture means of said acquisition device an image of the eyelashes ( 102 , 104 ) of at least one of the eyes ( 100 ) of the person; (c) a step ( 304 ) of comparing on a control and comparison means of said acquisition device the features of the eyelashes ( 102 , 104 ) of the image thus captured with the corresponding features of eyelash images in a database ( 206 ), where the features comprise the variation in the density of the eyelashes ( 102 , 104 ); and (d) a step ( 306 ) of taking on a decision-taking means of said acquisition device a decision concerning the identity of the person from the result of the said comparison step.