The history and development of vision and ocular medicine over time always occurred within a framework of many other cultural events. Thus, it is important to understand these factors before one can appreciate how vision and ocular medicine were viewed and practiced at a particular time and in a particular region, and how both slowly progressed over the centuries.Ocular medicine is, and always has been, a part of medicine, and is influenced by its theoretical and practical principles, as well as its diagnostic and therapeutic practices. If the ancient people thought that diseases were caused b |