Sight is perhaps the most important of all the senses. Yet all of our visual world exists courtesy of two tiny organs, about 20 centimetres in diameter, of incredible complexity - the eyes. But the eyes are only half the story: WINDOW OF THE SOUL traces the path of light through the intricate structures of the eye and from the eye to to the brain as light is transformed into vision. How is it that the cornea, the 'window' of the eye is transparent and delicate, yet the structurally almost identical white of the eye is opaque and tough? How is light focused onto the retina, and how does the retina turn rays of light into electrical signals? Discover the answer to whether a contact lens can really go round the back of the eye, or whether a surgeon really takes the eye right out of its socket when performing an operation. Meet some of the sometimes eccentric scientists, from Da Vinci onwards, who discovered the secrets of how the eye and vision works. Optician, optometrist, ophthalmologist - what's all that about? Who tests your eyes, and what do all those weird tests mean? All those questions you've always wanted to ask, and some you never thought to ask, are explained in WINDOW OF THE SOUL in an easy to follow way.