(Color Version) This book is a short condensed version of our large book; 'Do It Yourself-Natural Eyesight Improvement-Original and Modern Bates Method'. Book is written by Clark Night, a Bates Method, Natural Eyesight Improvement teacher. I have kept my eyesight clear since teen years 1974 to present age of 57. The practices in this book produce relaxation, normal, natural, healthy eye function. The large book contains in depth study of Natural Eyesight...