Each program was crafted and timed to work while wearing special white-light refracting prism glasses included with each program.
2.
Each program was meticulously created and timed to work while wearing special white-light refracting prism glasses which were included with each program.
3.
A collimator collimates the beam that is dispersed by a refracting prism and re-imaged onto a detection system by a re-imager.