Optical apparatus and instruments, namely, optical display systems composed of one screen having a pixel matrix, namely, a computer screen, a flat panel display screen, an LCD screen or a video screen, and a driver for activating and deactivating pixels in the matrix so as to produce an image; optical and electronic apparatus and instruments for autostereoscopy, namely, optical display systems composed of one screen having a pixel matrix, namely, a computer screen, a flat panel display screen...