THE ESSAY ON THE EVOLUTION OF VISUAL SENSE AND VISIUAL ILLUSION

Abstract

  The cause of visual illusion is discussed from the establishing process of visual sense including the evolutional viewpoint．The visual illusion in which the moon in the horizon was greatly seen was verified from the experiment using the ball．The visual sense is not the image which projected the image of optic organ in the brain directly．The visual sense is the world of the subjective image formed in the brain．This image should be limitedly correspondent to the object world．Dealing with mechanism is mainly based on the practice of the subject to the object．It is considered that there is the visual illusion in the blank where the practice does not reach, or it is a blind spot in the part which is insufficient for the integration in the brain．