Abstract
Anatomical characteristics and monocular movements of chameleons are similar to higher primates because the eye of the chameleon has a central fovea, performs saccadic fixation movements, and obeys Listing's Law, but motor system and cognitive functions of the human differ completely from those of chameleons. Human vision has capability to adapt to visual stimulation with spatial inversion when the man wears glasses to give images upside down for long periods. As with the adaptation to vision with spatial inversion, giving a human oculomotor ability to control visual axes of both eyes arbitrarily as chameleons do will raise interesting question on adaption to provided two independent view fields. In this paper, we developed a portable device that provides two independent view fields to both eyes of human for long periods, using two CCD cameras independently controlled and a head-mounted display, which was named "Virtual Chameleon".