Over the past hundred years, the visual load of civilized humanity has increased approximately twenty-fold. Modern schoolchildren and students ninety percent of the time are forced to look closely at studies, books, computers, TV. The human body and its eyes simply do not have time to actively evolve in such a short time, calculated in decades, to adapt to rapidly changing environmental conditions and the lifestyle of modern man .The author of the book, drawing on many years of experience in his work, offers the reader simple but effective methods of relaxing the eyes and restoring visual acuity using natural methods. Much attention is paid in the book to methods of maintaining good vision in children, schoolchildren and students. Thanks to this book, everyone can master the art of acquiring good vision and maintaining it for many years of your life. This book is not a textbook on medicine; all recommendations given in it should be used only after consultation with your doctor.2nd edition.