An eye examination apparatus that comprises: - at least an illuminator (11, 12) adapted to project a light beam (1) on an optical illumination path (1A) along a first optical axis (O1) to illuminate the retina (101) of an eye (100), said illuminator comprising at least a light source (111, 121, 125) and at least a projection diaphragm (114, 124) adapted to shape the light beam (1), during the operation of said examination apparatus said projection diaphragm being optically conjugated with the retina - acquisition means (27) adapted to receive light (2) reflected by the retina and to acquire images of the retina - scanning means (17) adapted to move the light beam (1) projected on the surface of the retina along a scanning direction - separation means (16) of the beams adapted to separate the light (1) projected by said illuminator from the light (2) reflected by the retina The projection diaphragm comprises at least a projection opening (1140, 1240) having an elongated shape and variable width, said projection opening comprising at least a portion having a width larger than the width of said projection opening at the first optical axis (O1).La présente invention concerne un appareil dexamen de loeil qui comprend : - au moins un éclairage (11, 12) adapté pour projeter un faisceau lumineux (1) sur un trajet déclairage optique (1A) le long dun premier axe optique (O1) pour éclairer la rétine (101) dun œil (100), ledit éclairage comprenant au moins une source de lumière (111, 121, 125) et au moins un diaphragme de projection (114, 124) adapté pour former le faisceau lumineux (1), pendant le fonctionnement dudit appareil dexamen, ledit diaphragme de projection étant optiquement conjugué avec la rétine - des moyens dacquisition (27) adaptés pour recevoir la lumière (2) réfléchie par la rétine et pour acquérir des images de la rétine - des moyens de balayage (17) adaptés pour déplacer le faisceau lumineux (1) projeté sur la surface de la rétine le long dune direction de