Its night vision and sense of smell are well developed. It is a difficult struggle that requires spirit, fresh vision, and creativity. The world has benefited from his vision and efforts. He drew on them in developing a grand vision. Caeiro represents a primal vision of reality, of things. He has a very strong, unique vision. This was described as a highly unusual utopian vision. He has remarkably keen vision and hearing. It is the only animal known to have dynamic polarisation vision. Nocturnal mammals have rods with unique properties that make enhanced night vision possible. Zeiss offers a wide range of products related to optics and vision. Helmholtz was a pioneer in the scientific study of human vision and audition. It is an accessible form of recreation for persons with vision and mobility impairments. Roark is unable to find a client willing to build according to his vision. Henry IV proved to be a man of vision and courage.