Field of view refers to the extent of the visible world that can be seen at any given moment. In the context of research, field of view often refers to the area or scope that is being studied or observed in a particular experiment or investigation. This can include the physical area that is being monitored, such as in environmental studies or wildlife research, or the scope of data being analyzed, such as in the field of computer vision or microscopy. Understanding the field of view is important for researchers to properly design their experiments and interpret their results accurately.