A user can know the level of his/her own binocular vision. When an input instruction is input by the user via an input part, an information management part outputs a test request to a testing device, and a determination processing part obtains test results output from the testing device. The determination processing part determines a total level based on the test results and on information stored in a storage part. The determination processing part outputs the obtained total level to an output processing part. The output processing part generates a display screen in which the obtained total level and indices associated with the total level are written. The output processing part outputs the generated display screen to a display part. This causes the display part to display the display screen, and the user can know the concrete level of his/her own binocular vision.