Of or relating to sight; visual. Optics can more specifically refer to instruments designed to assist sight, or uses of light-sensitive devices, such as eyes, cameras, photo-electric cells, etc.Example:French (Paris), about 1751, Compound Microscope with Case, microscope: gilt bronze, glass and mirror glass, enamel, and shagreen, 18 7/8 x 11 x 8 1/8 inches; case: wood, tooled leather, brass, velvet, and silver, and lace, 26 x 13 3/4 x 10 5/8 inches, J. Paul Getty Museum, Malibu, CA. This is one of 22 objects in the Devices of Wonder exhibit catalogued online by the Getty Museum ? best seen with Flash and RealAudio plugins.Also see afterimage, anamorphosis, art, artist, binocular vision, blind spot, colorblindness, definition, elements of art, filter, fish-eye lens, gestalt, interdisciplinary, kaleidoscope, lens, magic lantern, moir?, night blindness or nyctalopia, opaque projector, Op Art, ophthalmology, optical illusion, optical mixing, perception, peripheral vision, photography, photoreceptors, principles of design, push and pull, refraction, science and art, seeing, stereoscopic vision, subliminal message or subliminal advertising, telephoto lens, telescope, wide-angle lens, visual qualities, zoetrope, and zoopraxiscope.