A lighting device for a work surface, comprising a bar-shaped lighting module, the lighting module - having a first light-emitting surface for illuminating the work surface with a first light of a first spectrum; and the first light-emitting surface extending on an outer side of the lighting module along the main direction of extension of the lighting module and being oriented in a vertical direction perpendicular to the main direction of extension of the lighting module substantially downwards, wherein a first light source for generating the first light with the first spectrum is associated with the first light-emitting surface, characterized in that the lighting module further has - a second light-emitting surface for illuminating the eyes of an operator with a second light of a variably predeterminable second spectrum, which is larger than the first light-emitting surface, and the second light-emitting surface extends on the outside of the lighting module along the main direction of extension of the lighting module over a large part of the lighting module and is oriented substantially forwards in a further direction perpendicular to the vertical direction and to the main direction of extension of the lighting module, wherein a second light source for generating the second light with the variably predeterminable second spectrum is associated with the second light-emitting surface; and - a third light-emitting surface for illuminating an environment of the lighting device with a third light of a variably predeterminable third spectrum, and the third light-emitting surface extending on the outside of the lighting module along the main direction of extension of the lighting module over the large part of the lighting module and facing substantially upwards in a vertical direction perpendicular to the main direction of extension of the lighting module, wherein a third light source for generating the third light with the variably predeterminable third spectrum is associated with the third light-emitting surface. - having a first light-emitting surface for illuminating the work surface with a first light of a first spectrum; and the first light-emitting surface extending on an outer side of the lighting module along the main direction of extension of the lighting module and being oriented in a vertical direction perpendicular to the main direction of extension of the lighting module substantially downwards, wherein a first light source for generating the first light with the first spectrum is associated with the first light-emitting surface, characterized in that the lighting module further has - a second light-emitting surface for illuminating the eyes of an operator with a second light of a variably predeterminable second spectrum, which is larger than the first light-emitting surface, and the second light-emitting surface extends on the outside of the lighting module along the main direction of extension of the lighting module over a large part of the lighting module and is oriented substantially forwards in a further direction perpendicular to the vertical direction and to the main direction of extension of the lighting module, wherein a second light source for generating the second light with the variably predeterminable second spectrum is associated with the second light-emitting surface; and - a third light-emitting surface for illuminating an environment of the lighting device with a third light of a variably predeterminable third spectrum,