Ibn Sina is also known as Bu Ali Sina. His thirst for knowledge made him the anxious reader and learner. The canon of medicine was interested in the experimental science and did many experiments which helped him to devise new theories and then form the principals which are still present in the modern science and are guiding the scientists about the field of optics.
Ibn Sina was still ten years of age when he learnt the Holy Quran and it took only sixteen years for him to complete his study of medicine. He was interested in the field of physics, education, chemistry and astronomy. The book which won him perpetual fame and popularity is Canon of Medicine. It is a kind of collection that served as the guide for the young learners in the Muslims as well as the European universities for decades and centuries. This collection is also known as the healer books as they contain the disease and their treatment.
Ibn Sina is known in the Europe as Avicenna. Bu Ali Sina is the greatest among the founder of the contemporaries as well as the predecessors including the Greek thinkers and scientists. All the necessary information relating to his life and education reached to us through his pupil al-Jūzjānī. Bu Ali Sina is one of the founders of the modern-day medicine field especially the optics. His book, the canon of Medicine has all the topics relating to the structure of eyes and their function, diagram and the defects of the eyes.