A device for improving the vision of a human eye (1), said eye pivoting in the socket (2) of same and comprising a lens (7) and a retina (8), the device comprising optical means (10) forming an image (12) of a scene to be displayed (11), an optical projector (20) transmitting said image (22) and controlled by a signal applied such that the image light beam (22) is deflected on the basis of the value of said signal, a mirror (30), means (40-1, 40-2) for linking said mirror (30) to the socket (2) and to the optical processing projector (20) such that the optical axis (31) of the mirror (30) passes substantially through the centre of rotation (5) of said eye (1), and such that said mirror (30) is on the optical path of the image light beam (22), a sensor (50) for determining the rotation of said eye (1), the sensor delivering, at the output (51), a signal representative of this rotation, and means (60) for applying said signal delivered at the output (51) of the sensor (50) to the input (21) of the optical processing projector (20) such that the image light beam (22) is projected onto a location of said mirror (30) on the basis of the rotation of said eye (1) relative to the socket (2) of same.Dispositif pour améliorer la vision d'un oeil (1) humain, ledit oeil pivotant dans son orbite (2) et comportant un cristallin (7) et une rétine (8), le dispositif comportant des moyens optiques (10) formant une image (12) d'une scène à visualiser (11), un projecteur optique (20) émettant ladite image (22) et commandé par un signal appliqué de façon que le faisceau lumineux image (22) soit dévié en fonction de la valeur dudit signal, un miroir (30), des moyens (40-1, 40-2) pour lier ledit miroir (30) à l'orbite (2) et au projecteur optique de traitement (20) de façon que l'axe optique (31) du miroir (30) passe sensiblement par le centre de rotation (5) dudit oeil (1) et que ce miroir (30) soit sur le trajet optique du faisceau lumineux image (22), un capteur (50) pour déterminer l
