Optical system for reducing disturbing optical effects and for correcting vison defects

An optical system, comprising:

• a display or a digital display configured to display an image;
• and
• an eyepiece configured to observe the image with at least one eye,
• wherein the eyepiece defines a pre-definable spatial region such that the at least one eye is movable in the pre-definable spatial region without a pre-definable threshold value of an image quality of an image representation of the image produced by the eyepiece being undershot,
• wherein, in a direction of the pre-definable spatial region starting from the display, the display is arranged first in a light incidence direction, followed by the eyepiece and then by the at least one spatial region,
• wherein the eyepiece includes at least a first lens group and at least a second lens group,
• wherein, as seen in a direction opposite to the light incidence direction, the first lens group is arranged first, followed by the second lens group,
• wherein an intermediate pupil is arranged between the first lens group and the second lens group,
• wherein the second lens group is configured to image the image displayed by the display into the intermediate pupil,
• wherein the first lens group is configured to image the image arranged in the intermediate pupil into the spatial region,
• wherein the intermediate pupil and the spatial region are conjugate to one another, and
• wherein at least one of a filter and a wavefront manipulator is/are arranged at the intermediate pupil.