Dr. Jacob Liberman on Luminous Life: How the Science of Light Unlocks the Art of Living. Despite popular belief and according to Dr. Liberman, presence is not about thinking ahead or trying to be here now. It’s a naturally occurring state that arises when our eyes and mind, activated by light, focus on the same place at the same time. In response to light’s guidance, our eyes begin an intricate dance of aiming, focusing, tracking, and teaming, bringing us to extraordinary states of awareness without effort. Dr. Liberman is the author of two other seminal books on light and vision, and the developer of the first FDA-cleared medical device for vision improvement. His years of clinical research and direct experience have led him to a new philosophy of life that can be implemented by anyone at home, resulting in profound transformation that is rapid, significant, and permanent