Abstract: A method for testing the eyes of a test person with the aid of a vision testing system as well as a vision testing system. A trial frame of the vision testing system is disposed in front of the eyes, said trial frame having at least one trial lens, at least one numerical value of an optical parameter which characterises the trial lens being recorded by means of a camera of a camera device of a display apparatus, said display apparatus being controlled by means of a control device of the vision testing system, said numerical value being identified by the control device by means of image processing, said numerical value being identified for a sphere and/or a cylinder and/or an axis and/or a prism.

Abstract: The invention relates to a method for examining a subject's eyes with an eye examining system as well as an eye examining system, eye examination symbols being made visible to at least one of the subject's eyes by means of a monitor of a display device of the eye examining system, the subject's eyes being recorded in conjunction with a spectacle frame by means of a camera of a camera device of the display device, the display device being controlled by a control apparatus of the eye examining system, a position of the spectacle frame being determined relative to the eyes by means of image processing.

Abstract: The invention relates to an eye examining system and a method for examining a subject's eyes by means of an eye examining system, eye examination symbols being made visible to at least one of the subject's eyes using a display device of the eye examining system, the display device comprising a camera device having a camera by means of which the subject's eyes can be recorded, the display device comprising an illumination device having a light source by means of which the subject's eyes can be illuminated, a light distribution being able to be recorded in the pupil of the subject's eye by means of the camera device of the display device, the eye examining system comprising a control apparatus by means of which an objective refraction of the eye can be determined via the light distribution in the pupil.

Abstract: The invention relates to a vision testing system and to a method for testing the eyes of a subject, comprising a display device by means of which optotypes can be visualized to at least one eye of the subject, comprising a control device for controlling the display device, the display device comprising a backlit screen, the display device having a camera device by means of which the eyes of the subject can be captured, the display device having an illuminating device comprising an infrared light source by means of which the eyes of the subject can be illuminated.

Abstract: The invention relates to a vision testing system (10) and to a method for testing the eyes of a subject, comprising a display device (11, 12, 13) by means of which optotypes can be visualized to at least one eye of the subject, comprising a control device (14) for controlling the display device, the display device comprising a backlit screen (19, 30, 35), the screen having an adjusting device for adjusting a screen luminance of the screen to an ambient luminance, the adjusting device having a measuring means for measuring the screen luminance.