A light distribution control device adapted to control, based on images repeatedly obtained from an imaging device, which imaging device is structured to image an area in front of a vehicle, a variable light distribution lamp capable of radiating a variable intensity distribution visible light beam to the area in front, wherein the light distribution control device is adapted to control the variable light distribution lamp to form a light distribution pattern determined by a plurality of items of first light distribution pattern information based on the respective images, the first light distribution pattern information including, when the image includes a predetermined light spot, a light shielding part determined based on the light spot and not including a light shielding part when the image does not include a light spot, wherein the light distribution control device further comprises: a first information generation unit adapted to repeatedly generate the first light distribution pattern information; a pattern determination unit adapted to determine the light distribution pattern that should be formed by using the plurality of items of first light distribution pattern information; a lamp control unit adapted to control the variable light distribution lamp to form the determined light distribution pattern; characterized in that a storage unit adapted to store the plurality of items of first light distribution pattern information, wherein the pattern determination unit is structured to determine the light distribution pattern based on the plurality of items of first light distribution pattern information, and in that the pattern determination unit is structured to synthesize the plurality of items of first light distribution pattern information in a logical OR operation and structured to determine the light distribution pattern based on a result of said synthesis. the light distribution control device is adapted to control the variable light distribution lamp to form a light distribution pattern determined by a plurality of items of first light distribution pattern information based on the respective images, the first light distribution pattern information including, when the image includes a predetermined light spot, a light shielding part determined based on the light spot and not including a light shielding part when the image does not include a light spot, wherein the light distribution control device further comprises: a first information generation unit adapted to repeatedly generate the first light distribution pattern information; a pattern determination unit adapted to determine the light distribution pattern that should be formed by using the plurality of items of first light distribution pattern information; a lamp control unit adapted to control the variable light distribution lamp to form the determined light distribution pattern; characterized in that a storage unit adapted to store the plurality of items of first light distribution pattern information, wherein the pattern determination unit is structured to determine the light distribution pattern based on the plurality of items of first light distribution pattern information, and in that the pattern determination unit is structured to synthesize the plurality of items of first light distribution pattern information in a logical OR operation and structured to determine the light distribution pattern based on a result of said synthesis. a first information generation unit adapted to repeatedly generate the first light distribution pattern information; a pattern determination unit adapted to determine the light distribution pattern that should be formed by using the plurality of items of first light distribution pattern information; a lamp control unit adapted to control the variable light distribution lamp to form the determined light distribution pattern; characterized in that a storage unit adapted to store the plurality of items of first light distribution pattern information, wherein the pattern determination unit is structured to determine the light distribution pattern based on the plurality of items of first light distribution pattern information, and in that the pattern determination unit is structured to synthesize the plurality of items of first light distribution pattern information in a logical OR operation and structured to determine the light distribution pattern based on a result of said synthesis.