Area, as that seen through a microscope (microscopic field).
Regional anesthesia in which a limited operative area is walled off by an anesthetic.
In interlaced scanning television for X-ray equipment, a frame is divided into multiple equal parts known as fields. Each field encompasses a complete scanning sequence from the top to the bottom of the picture and then back again. It is important to note that a field is a distinct unit in television and plays a significant role in the overall image formation process.